Entity Addresses, Address Type [Axis] Business Contact [Member] Class of Stock [Axis] Common Class A [Member] Common Class B [Member] Related and Nonrelated Parties [Axis] Nonrelated Party [Member] Related Party [Member] Director [Member] Third Parties [Member] Third Party [Member] Equity Components [Axis] Common Stock [Member] Additional Paid-in Capital [Member] Retained Earnings [Member] AOCI Attributable to Parent [Member] Ownership [Axis] Celestial Power Group Limited [Member] Investment, Name [Axis] Primega Construction Engineering Co. Limited [Member] Direct AI Technology Co Limited [Member] Direct Booking Technology PTE Ltd [Member] Beijing Direct Booking Technology Co Ltd [Member] Statistical Measurement [Axis] Minimum [Member] Maximum [Member] Customer [Axis] Customer A [Member] Concentration Risk Benchmark [Axis] Revenue Benchmark [Member] Concentration Risk Type [Axis] Customer Concentration Risk [Member] Customer B [Member] Customer C [Member] Customer D [Member] Accounts Receivable [Member] Cost of Goods and Service Benchmark [Member] Supplier Concentration Risk [Member] Supplier B [Member] Supplier C [Member] Supplier D [Member] Supplier E [Member] Supplier F [Member] Accounts Payable [Member] Long-Lived Asset, Class [Axis] Machinery and Equipment [Member] Vehicles [Member] Office Equipment [Member] Leasehold Improvements [Member] Consultants [Member] Award Type [Axis] Employment Compensation Claim [Member] Subsequent Event Type [Axis] Subsequent Event [Member] Credit Facility [Axis] Hong Kong Prime Rate [Member] Credit Facility [Member] Debt Instrument [Axis] Standard Chartered Bank (Hong Kong) Limited [Member] Standard Chartered Bank (Hong Kong) Limited [Member] Product and Service [Axis] Cost of Goods Sold [Member] General And Administrative Expenses [Member] Income Tax Jurisdiction [Axis] Income Tax Jurisdiction, Domestic Federal [Member] Income Tax Jurisdiction, Foreign [Member] Geographical [Axis] HONG KONG CHINA SINGAPORE Income Tax Authority, Name [Axis] Cayman Islands Tax Information Authority [Member] Inland Revenue, Hong Kong [Member] State Administration of Taxation, China [Member] Inland Revenue, Singapore (IRAS) [Member] Britsih Virgin Island [Member] Mr. Man Siu Ming [Member] Chi Yip Eng. & (Trans.) Company Limited [Member] Internal Elimination [Member] Segments [Axis] Soil And Rock Transportation [Member] Miscellaneous Construction Works [Member] Sale of Stock [Axis] IPO [Member] Entity Addresses [Table] Entity Addresses [Line Items] Document Type Amendment Flag Amendment Description Document Registration Statement Document Annual Report Document Quarterly Report Document Transition Report Document Shell Company Report Document Shell Company Event Date Document Period Start Date Document Period End Date Document Fiscal Period Focus Document Fiscal Year Focus Current Fiscal Year End Date Entity File Number Entity Registrant Name Entity Central Index Key Entity Primary SIC Number Entity Tax Identification Number Entity Incorporation, State or Country Code Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Three Entity Address, City or Town Entity Address, State or Province Entity Address, Country Entity Address, Postal Zip Code Country Region City Area Code Local Phone Number Extension Written Communications Soliciting Material Pre-commencement Tender Offer Pre-commencement Issuer Tender Offer Title of 12(b) Security No Trading Symbol Flag Trading Symbol Security Exchange Name Title of 12(g) Security Security Reporting Obligation Annual Information Form Audited Annual Financial Statements Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Elected Not To Use the Extended Transition Period Document Accounting Standard Other Reporting Standard Item Number Entity Shell Company Entity Public Float Entity Bankruptcy Proceedings, Reporting Current Entity Common Stock, Shares Outstanding Documents Incorporated by Reference [Text Block] Contact Personnel Name Entity Listing, Par Value Per Share ICFR Auditor Attestation Flag Document Financial Statement Error Correction [Flag] Auditor Firm ID Auditor Opinion [Text Block] Auditor Name Auditor Location Statement [Table] Statement [Line Items] Assets Current assets: Cash and cash equivalents Accounts receivable, net Prepayment, deposits and other receivables Retention receivable, net of credit loss allowance of USD384,647 as of March 31, 2026 Total current assets Property, plant and equipment, net Right-of-use assets – Finance lease Right-of-use assets – Operating lease Retention receivable, net of credit loss allowance of USD29,077 as of March 31, 2025 Total non-current assets TOTAL ASSETS Liabilities Current liabilities: Bank loans - current Finance lease liabilities – current Operating lease liabilities – current Accounts payable, accruals, and other current liabilities Amount due to related parties Income taxes payable Total current liabilities Non-current liabilities Bank loans – non-current Finance lease liabilities – non-current Operating lease – non-current Deferred tax liabilities Total non-current liabilities TOTAL LIABILITIES Commitments and contingencies Shareholders’ equity Common stock, value Additional paid in capital Accumulated other comprehensive income Accumulated deficits Total shareholders’ equity TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY Accounts receivable, net [custom:RetentionReceivablesAllowanceForCreditLossCurrent] Retention receivable net credit loss allowance non current Common stock, par value Common stock, shares authorized Common stock, shares issued Common stock, shares outstanding Defined Benefit Plan [Table] Defined Benefit Plan Disclosure [Line Items] Revenue Revenues Cost of sales Cost of sales Gross profit (loss) Operating expenses: General and administrative expenses Income (loss) from operations Other income, net Interest expense Income (loss) before tax expense Income tax (expense) recovery Net income (loss) Foreign currency translations adjustment Total comprehensive income (loss) Net earnings (losses) per share attributable to ordinary shareholders Basic diluted Weighted average number of ordinary shares used in computing net earnings per share Basic diluted Balance Balance, shares Net loss Issuance of ordinary shares relating to IPO, netting of underwriting discounts and commissions Issuance of ordinary shares relating to IPO, netting of underwriting discounts and commissions, shares Issuance of Ordinary shares to 4 independent consultants under Stock Incentive plan on 7 Oct 2024 Issuance of Ordinary shares to 4 independent consultants under Stock Incentive plan on 7 Oct 2024, shares Share re-classification Balance, shares Issuance of Ordinary Share to 16 investors related to PIPE Transactions in 2025-11 Share Issuance related to 16 investors in 2025-11, shares Rounding adjustment on share consolidation (39 shares) Rounding adjustment on share consolidation (39 shares), shares Issuance of ordinary shares to 4 individuals related to SPA in 2026-02 Share Issuance related to 4 individuals in 2026-02, shares Issuance of Ordinary shares to 4 independent consultants under Stock Incentive plan on 7 Aug 2025 Issuance of Ordinary shares to 4 independent consultants under Stock Incentive plan on 7 Aug 2025, shares Issuance of Ordinary shares to 4 independent consultants under Stock Incentive plan on 23 Oct 2025 Issuance of Ordinary shares to 4 independent consultants under Stock Incentive plan on 23 Oct 2025, shares Foreign currency translation adjustments Balance Balance, shares Statement of Cash Flows [Abstract] Operating activities Net income (loss) Non-cash item adjustments: Non-cash operating lease expense Depreciation of right-of-use assets – finance lease Depreciation of property, plant and equipment Consulting services settled by issuance of ordinary shares Deferred tax expenses (recovery) Loss (gain) on termination of right-of-use assets – finance lease (Reversal of) Allowance for expected credit loss Change in working capital items: Change in accounts receivable – third parties Change in accounts receivable – related parties Change in retention receivable Change in prepayment, deposits and other receivables Change in accounts payable, accruals and other current liabilities Change in accounts payable – related parties Change in contract liabilities Change in income taxes payable Change in due to related parties Change in lease liabilities – Operating lease Cash provided by (used in) operating activities Investing activity Payment for potential investment in Wangmao Proceeds from termination of finance lease Cash provided by (used in) investing activity Financing activities Repayments to a related party New borrowings from a related party Repayment of bank loans Principal payment of finance lease liabilities Principal payment of finance lease liabilities – related parties Payment of offering costs Proceeds from issuance of common stock, net of issuance costs Net proceeds from issuance of ordinary shares to 16 investors related to PIPE transaction in 2025-11 Proceeds from issuance of shares to 4 individuals related to SPA in 2026-02 Cash (used in) provided by financing activities Net increase (decrease) in cash and cash equivalents Cash and cash equivalents as of beginning of the year Effect of exchange rate changes on cash and cash equivalents Cash and cash equivalents as of the end of the year Supplementary Cash Flows Information Cash paid for interest Cash paid for income tax Supplementary Schedule of Non-Cash Investing and Financing Activities Consulting fees paid by issuance of ordinary shares Accruals for offering cost Right-of-use assets obtained in exchange for new operating lease liabilities Right-of-use assets obtained in exchange for new finance lease liabilities Pay vs Performance Disclosure [Table] Executive Category [Axis] Individual [Axis] Adjustment to Compensation [Axis] Measure [Axis] Pay vs Performance Disclosure, Table Company Selected Measure Name Named Executive Officers, Footnote Peer Group Issuers, Footnote Changed Peer Group, Footnote PEO Total Compensation Amount PEO Actually Paid Compensation Amount Adjustment To PEO Compensation, Footnote Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Compensation Actually Paid Amount Adjustment to Non-PEO NEO Compensation Footnote Equity Valuation Assumption Difference, Footnote Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Company Selected Measure Total Shareholder Return Vs Peer Group Compensation Actually Paid vs. Other Measure Tabular List, Table Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Net Income (Loss) Company Selected Measure Amount Other Performance Measure, Amount Adjustment to Compensation, Amount PEO Name Name Non-GAAP Measure Description Additional 402(v) Disclosure Pension Benefits Adjustments, Footnote Equity Awards Adjustments, Footnote Erroneously Awarded Compensation Recovery [Table] Restatement Determination Date [Axis] Restatement Determination Date Aggregate Erroneous Compensation Amount Erroneous Compensation Analysis Stock Price or TSR Estimation Method Outstanding Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Not Yet Determined Name Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery, Explanation of Impracticability Name Compensation Amount Restatement does not require Recovery Awards Close in Time to MNPI Disclosures [Table] Award Timing MNPI Disclosure Award Timing Method Award Timing Predetermined Award Timing MNPI Considered Award Timing, How MNPI Considered MNPI Disclosure Timed for Compensation Value Awards Close in Time to MNPI Disclosures, Table Name Underlying Securities Exercise Price Fair Value as of Grant Date Underlying Security Market Price Change Trading Arrangements, by Individual [Table] Trading Arrangement [Axis] Material Terms of Trading Arrangement Name Title Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted Adoption Date Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated Termination Date Expiration Date Arrangement Duration Aggregate Available Insider Trading Policies and Procedures [Line Items] Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Not Adopted Cybersecurity Risk Management, Strategy, and Governance [Abstract] Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block] Cybersecurity Risk Management Processes Integrated [Flag] Cybersecurity Risk Management Processes Integrated [Text Block] Cybersecurity Risk Management Third Party Engaged [Flag] Cybersecurity Risk Third Party Oversight and Identification Processes [Flag] Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag] Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block] Cybersecurity Risk Board of Directors Oversight [Text Block] Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block] Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block] Cybersecurity Risk Role of Management [Text Block] Cybersecurity Risk Management Positions or Committees Responsible [Flag] Cybersecurity Risk Management Positions or Committees Responsible [Text Block] Cybersecurity Risk Management Expertise of Management Responsible [Text Block] Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block] Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag] Material Cybersecurity Incident [Abstract] Material Cybersecurity Incident Nature [Text Block] Material Cybersecurity Incident Scope [Text Block] Material Cybersecurity Incident Timing [Text Block] Material Cybersecurity Incident Material Impact or Reasonably Likely Material Impact [Text Block] Material Cybersecurity Incident Information Not Available or Undetermined [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] ORGANIZATION AND PRINCIPAL ACTIVITIES Accounting Policies [Abstract] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Receivables [Abstract] ACCOUNTS RECEIVABLE, NET Prepaid Expenses Deposits And Other Receivables PREPAID EXPENSES, DEPOSITS AND OTHER RECEIVABLES Retention Receivables RETENTION RECEIVABLES Debt Disclosure [Abstract] BANK LOANS Leases LEASES Property, Plant, and Equipment [Abstract] PROPERTY, PLANT AND EQUIPMENT, NET Payables and Accruals [Abstract] ACCOUNTS PAYABLE, ACCRUALS AND OTHER CURRENT LIABILITIES Income Tax Disclosure [Abstract] INCOME TAX Related Party Transactions [Abstract] RELATED PARTY TRANSACTIONS Segment Reporting [Abstract] REVENUE, SEGMENT INFORMATION General And Administrative Expenses GENERAL AND ADMINISTRATIVE EXPENSES Other Income and Expenses [Abstract] OTHER INCOME, NET Commitments and Contingencies Disclosure [Abstract] CONTINGENCIES Equity [Abstract] CAPITAL STOCK Earnings Per Share [Abstract] EARNINGs PER SHARE Subsequent Events [Abstract] SUBSEQUENT EVENTS Basis of presentation Consolidation Going Concern Assessment Measurement of credit losses on financial instruments Use of estimates Risks and uncertainties Concentration risks Foreign currency translation and transaction Certain Risks Fair Value Measurement Related parties Cash and cash equivalents Accounts Receivable, net Retention receivable Property, plant and equipment Impairment of long lived assets Commitments and contingencies Revenue recognition Cost of sales General and administrative expenses Leases Income taxes Earnings per share Segment Reporting Recent accounting pronouncements SCHEDULE OF COMPANY AND SUBSIDIARIES SCHEDULES OF CONCENTRATION RISKS SCHEDULE OF ESTIMATED USEFUL LIVES SCHEDULE OF ACCOUNTS RECEIVABLE, NET - RELATED PARTIES SCHEDULE OF MOVEMENTS IN THE CREDIT LOSS PROVISION FOR DOUBTFUL ACCOUNTS SCHEDULE OF PREPAID EXPENSES, DEPOSITS AND OTHER RECEIVABLE SCHEDULE OF RETENTION RECEIVABLES NON CURRENT SCHEDULE OF BANK LOANS SCHEDULE OF MATURITIES OF BANK BORROWING SCHEDULE OF COMPONENTS OF LEASE EXPENSES SCHEDULE OF COMPONENTS OF FINANCE LEASE SCHEDULE OF OTHER INFORMATION ABOUT LEASES SCHEDULE OF MATURITY ANALYSIS OF LEASE LIABILITIES SCHEDULE OF PROPERTY, PLANT AND EQUIPMENT, NET SCHEDULE OF ACCOUNTS PAYABLE, ACCRUALS AND OTHER CURRENT LIABILITIES SCHEDULE OF COMPONENTS OF INCOME LOSS BEFORE INCOME TAXES GROGRAPHIC SCHEDULE OF CURRENT AND DEFERRED INCOME TAX EXPENSE SCHEDULE OF RECONCILIATION OF INCOME TAXES SCHEDULE OF CASH PAID FOR INCOME TAXES SCHEDULE OF DEFERRED TAX ASSETS AND LIABILITIES SCHEDULE OF VALUATION ALLOWANCE SCHEDULE OF RELATIONSHIP WITH RELATED PARTIES SCHEDULE OF TRANSACTIONS WITH RELATED PARTIES SCHEDULE OF BALANCE WITH RELATED PARTIES SCHEDULE OF KEY TERMS OF LEASES SCHEDULE OF MATURITY ANALYSIS FOR LEASE LIABILITIES SCHEDULE OF SEGMENT INFORMATION SCHEDULE OF REVENUE AND COST BY MAJOR REVENUE TYPE SCHEDULE OF GENERAL AND ADMINISTRATIVE EXPENSES SCHEDULE OF OTHER INCOME NET SCHEDULE OF BASIC AND DILUTED EARNINGS PER SHARE Consolidation, Less-than-Wholly-Owned Subsidiary, Parent Ownership Interest, Effect of Change [Table] Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] Date of incorporation Percentage of effective ownership Place of incorporation Principal activities Percentage of effective ownership OrganizationAndPrincipalActivitiesTable [Table] Capital units Capital units authorized Ordinary share, par value Common stock shares, authorized Reverse stock split Nature of Operation, Product Information, Concentration of Risk [Table] Product Information [Line Items] Concentration risk, percentage Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Line Items] Property plant and equipment useful life Net income loss Accumulated deficit Exchange currency rate Deposits Cash, FDIC Insured Amount Impairment of long-lived assets Accounts receivable— third parties Less: allowance for expected credit loss Accounts receivable, net— third parties Balance at beginning of the year Additions Balance at end of the year Reversal Accounts receivable – related parties Accounts receivable, net – related parties Schedule Of Prepaid Expenses Deposits And Other Receivable Prepaid expenses Prepayment of consulting fees Prepayment for investment in Wangmao Other receivables and deposits Total prepayment, deposits and other receivable PrepaidExpensesDepositsAndOtherReceivablesTable [Table] Service charges Stock Issued During Period, Shares, Other Common stock par value Contract amount Consultant expense Other receivables Total purchase price Principal amount of recovered Interest rate Schedule Of Retention Receivables Non Current Rentention receivables beginning balance Rentention receivables beginning balance Additions from conditions rights to consideration Additions from conditions rights to consideration Retention released Retention released Allowance for expected credit loss Allowance for expected credit loss Rentention receivables ending balance Rentention receivables ending balance Short-Term Debt [Table] Short-Term Debt [Line Items] Principal amount Amount Issuance date Expiration date Interest rate Year one Year two Year three Year four Year five and thereafter Total Bank Borrowings Line of Credit Facility [Table] Line of Credit Facility [Line Items] Debt Instrument, Face Amount Debt Instrument, Interest Rate, Effective Percentage Long-Term Debt Interest expense Schedule Of Components Of Lease Expenses Operating lease expense Amortization of right-of-use assets Interest on lease liabilities Total finance lease expense Schedule Of Components Of Finance Lease Finance lease Right-of-use assets, costs Accumulated amortization Termination Right-of-use assets, net Operating cash flows used in operating leases Operating cash flows used in finance leases Financing cash flows used in finance leases Operating Lease, Weighted Average Remaining Lease Term Weighted-average remaining lease term-finance Weighted average discount rate-operating Weighted average discount rate-finance Operating leases, Year 1 Finance leases, Year 1 Leases, Year 1 Operating leases, Year 2 Finance leases, Year 2 Leases, Year 2 Operating leases, Year 3 Finance leases, Year 3 Leases, Year 3 Operating leases, Year 4 Finance leases, Year 4 Leases, Year 4 Operating leases, Year 5 and thereafter Finance leases, Year 5 and thereafter Leases, Year 5 and thereafter Operating leases, Total undiscounted lease payments Finance leases, Total undiscounted lease payments Leases, Total undiscounted lease payments Operating leases, Imputed interest Finance leases, Imputed interest Leases, Less: imputed interest Operating leases, Lease liabilities recognized in the Consolidated Balance Sheet Finance leases, Lease liabilities recognized in the Consolidated Balance Sheet Leases, Lease liabilities recognized in the Consolidated Balance Sheet Finance leases, lease liabilities recognized in the consolidated balance sheet [custom:FinanceLeaseRightOfUseAssetCarryingAmount] Finance Lease, Impairment Loss Operating lease description Cost Property, plant and equipment, cost Less: accumulated depreciation Property, plant and equipment, accumulated depreciation Total property, plant and equipment, net PropertyPlantAndEquipmentNetTable [Table] Depreciation expenses Accounts payable Retention payable Accrued expenses and other payables  Accounts payable, accruals, and other current liabilities Effective Income Tax Rate Reconciliation [Table] Effective Income Tax Rate Reconciliation [Line Items] Total loss before income taxes Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Line Items] Current income tax expenses Deferred income tax expense (recovery) Income tax expense Loss before income tax Statutory income tax rates Tax effect of rate differences in various jurisdictions Tax effect of provision for expected credit loss Tax effect of depreciation allowance Tax effect of taxable temporary difference Tax reduction allowed by Hong Kong government —Statutory tax rate difference Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Percent Effect of rates different than statutory Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent HK two-tiered profits tax regime Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent  Non-deductible expenses [custom:EffectiveIncomeTaxRateReconciliationnNonTaxableIncome] Tax effect of non-deductible expenditure Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent Change in valuation allowance of deferred income tax assets Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Effective Income Tax Rate Reconciliation, Percent, Total Total income taxes paid, net of refunds Deferred tax assets: Property, plant and equipment Provision of credit loss Tax losses carried forward Total deferred tax assets Deferred tax liabilities: Property, plant and equipment Right-of-use assets – finance lease Total deferred tax (liabilities) assets Less: Valuation allowance Net deferred tax (liabilities) assets Valuation allowance at beginning of year Addition Valuation allowance at end of year Income Tax Holiday, Description Unrecognized tax benefit Related Party Transaction [Table] Related Party Transaction [Line Items] Relationship to the Company Soil and rock transportation income charged to Chi Yip included in revenues Site management income charge to Chi Yip included in other income Service fee charged by Chi Yip included in cost of sales Finance lease expenses fees paid for Chi Yip Initial payment of finance lease – related parties Principal payment of finance lease liabilities - related parties Proceeds from (Repayment to) Chi Yip Proceeds from Director - Man Siu Ming Repayments to Director - Man Siu Ming Net (repayments to) proceeds from Man Siu Ming Accounts receivable Finance lease liabilities Amount due to a director 2027 2028 2029 2030 2031 and thereafter Less: imputed interest Interest rate Finance leases description Finance lease monthly payments Finance lease annual payments Segment Reporting [Table] Segment Reporting [Line Items] Revenue Gross loss Loss from operations Segment assets Long-lived assets Revenue Cost of Sales Number of reportable segments Remaining performance obligation Schedule Of General And Administrative Expenses Legal and professional fees Depreciation (Reversal of) Provision for credit loss Office expenses Others Staff cost Insurance Transportation Total Site management income Machinery/ Motor vehicle rental Sale of scrap material/ Mud Parking fines (Loss) gain on termination of motor vehicle/ machinery under finance lease arrangements Other income (expense) Total other income, net Subsidiary or Equity Method Investee, Sale of Stock, Type [Table] Subsidiary, Sale of Stock [Line Items] Ordinary shares, shares authorized Reverse share split Shares issued for stock split Authorized share capital Ordinary shares, shares issued Issuance of Ordinary shares relating to IPO, netting of underwriting discounts and commissions, shares Ordinary per share [custom:OrdinarySharesDescription] Share price [custom:CommonStockParOrStatedValuePerShares-0] Shareholding percentage Ordinary shares, shares outstanding Weighted average basic shares Weighted average diluted shares Earnings per share basic Earnings per share diluted Subsequent Event [Table] Subsequent Event [Line Items] Joint venture, description Debt principal amount Debt instrumental stated percentage Amount due to a related company. Retention Receivables Non Current [Text Block] Schedule of Retention Receivables Non Current [Table Text Block] Stock issued during period value other shares. Retention receivables non current. Additions from condition rights to consideration. Retention receivables of retention released. Retention receivables allowance for credit loss. Retention receivables non current net. Hong Kong Prime Rate [Member] Standard Chartered Bank (Hong Kong) Limited [Member] Standard Chartered Bank (Hong Kong) Limited [Member] Stock issued during period related to investor. Stock issued during period related to investor shares. Stock issued during period related to individuals. Stock issued during period related to individuals shares. Stock issued during period related to consultants. Long term debt maturities repayments of principal in year five and thereafter. Credit Facility [Member] Disclosure of contract liabilities [Text Block] Contract with customer liability balance. Additions as result of billings in advance of performance obligation under contracts. Decrease in contract liabilities as result of recognizing revenue during year was included in contract liabilities. Stock issued during period value for round up. ROU – finance lease with carrying amount. Lease Expenses [Table Text Block] Stock issued during period related to consultants shares. Interest on lease liabilities. Stock issued during period shares for round up. Finance Lease [Table Text Block] Lessee Operating Leases Other Information [Table Text Block] Financing cash flows used in finance leases. Schedule of Maturities of Operating and Finance Lease Liabilities [Table Text Block] Non cash operating lease expense. Depreciation of right-of-use assets finance lease. Depreciation of property, plant and equipment. Consulting service fees to four independent consultants under stock incentive plan. Increase decrease in retention receivable. Proceeds from disposal ROU finance lease. Initial payment of finance lease. Initial payment of finance lease – related parties, Finance lease principal payments related parties. Ordinary shares issued for settlement of consulting fees related to four independent consultants. Accruals for offering cost. Lessee operating lease liability payments due year five and thereafter. Finance lease liability payments due year four and thereafter. Contractual obligation due in fifth year and thereafter. Contractual obligation undiscounted excess amount. Contractual obligation lease liability. Schedule of Company and Subsidiaries [Table Text Block] Entity incorporation date of incorporation description. Percentage of effective ownership. Place of incorporation. Principal activities. Celestial Power Group Limited [Member] Primega Construction Engineering Co. Limited [Member] Direct AI Technology Co Limited [Member] Direct Booking Technology PTE Ltd [Member] Beijing Direct Booking Technology Co Ltd [Member] Mr. Man Siu Ming [Member] Capital units issued. Customer A [Member] Customer B [Member] Customer C [Member] Customer D [Member] Supplier B [Member] Supplier C [Member] Supplier D [Member] Supplier E [Member] Supplier F [Member] Certain Risks [Policy Text Block] Related Parties [Policy Text Block] Retention Receivable [Policy Text Block] Deferred Offering Costs [Policy Text Block] Contract liabilities [Policy Text Block] Schedule of Property Plant and Equipment Useful Life [Table Text Block] Disclosure of prepaid expenses deposits and other receivable text block. Schedule of Prepaid Expenses Deposits and Other Receivable [Text Block] Prepayment of consulting fees. Employment Compensation Claim [Member] Consultants [Member] Cost of Goods Sold [Member] Deferred tax liabilities right of use assets. Tax effect of provision for expected credit loss. Tax effect of taxable temporary difference. Effective income tax rate reconciliationn non taxable income. Income tax reconciliation non deductible income. Schedule Of Names And Relationship Of Related Parties [Table Text Block] Chi Yip Eng. & (Trans.) Company Limited [Member] Finance lease of initial payments. Finance lease monthly payments. General And Administrative Expenses Disclosure [TextBlock] Office expenses. Staff cost. Machinery rental. Motor vehicle rental. Gain from sale of scrap material. Parking fines. Other non operating income expenses. Shareholding percentage. Schedule Of General And Administrative [Text Block] Gain loss on disposition of motor vehicle or machinery. Issuance of shares under securities purchase agreement. Issuance of ordinary shares in private placement in public equity transaction. Issuance of shares under securities purchase agreements. Issuance of ordinary shares in private placement in public equity transaction. General And Administrative Expenses [Member] Third Party [Member] Soil And Rock Transportation [Member] Miscellaneous Construction Works [Member] Schedule Of Balance With Related Parties [Table Text Block] Schedule Of Cash Paid For Income Taxes [Table Text Block] Schedule Of Deferred Income Tax Expense [Table Text Block] Man Siu Ming [Member] Moss Mist Investment Limited [Member] Dusk Moon International Limited [Member] Finance lease annual payments. Ordinary shares description. Total deferred tax liabilities assets. Standard Chartered Bank (Hong Kong) Limited [Member] [Default Label] Assets, Current Assets, Noncurrent Assets [Default Label] Liabilities, Current Liabilities, Noncurrent Liabilities [Default Label] Equity, Attributable to Parent Liabilities and Equity Accounts Receivable, Allowance for Credit Loss, Current General and Administrative Expense Interest Expense, Operating and Nonoperating Income Tax Expense (Benefit) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Shares, Outstanding Gain (Loss) on Disposition of Assets Increase (Decrease) in Accounts Receivable Increase (Decrease) in Accounts Receivable, Related Parties IncreaseDecreaseInRetentionReceivable Increase (Decrease) in Prepaid Expense and Other Assets Cash Provided by (Used in) Operating Activity, Including Discontinued Operation PaymentForPotentialInvestmentInWangmao Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Repayments of Bank Debt Finance Lease, Principal Payments FinanceLeasePrincipalPaymentsRelatedParties Payments of Stock Issuance Costs Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Forgone Recovery, Individual Name Outstanding Recovery, Individual Name Awards Close in Time to MNPI Disclosures, Individual Name Trading Arrangement, Individual Name Cash and Cash Equivalents, Policy [Policy Text Block] Commitments and Contingencies, Policy [Policy Text Block] Cost of Goods and Service [Policy Text Block] Lessee, Leases [Policy Text Block] Equity Method Investment, Ownership Percentage Accounts Receivable, after Allowance for Credit Loss Accounts Receivable, Allowance for Credit Loss RetentionReceivablesNoncurrent RetentionReceivablescurrent AdditionsFromConditionRightsToConsiderationCurrent RetentionReceivablesOfRetentionReleasedNonCurrent RetentionReceivablesOfRetentionReleasedCurrent Finance Lease, Interest Expense Finance Lease, Right-of-Use Asset, Accumulated Amortization Lessee, Operating Lease, Liability, to be Paid Finance Lease, Liability, to be Paid Contractual Obligation Lessee, Operating Lease, Liability, Undiscounted Excess Amount Finance Lease, Liability, Undiscounted Excess Amount ContractualObligationUndiscountedExcessAmount TaxEffectOfProvisionForExpectedCreditLoss Effective Income Tax Rate Reconciliation, Percent Deferred Tax Assets, Property, Plant and Equipment Deferred Tax Assets, Net of Valuation Allowance Deferred Tax Liabilities, Property, Plant and Equipment DeferredTaxLiabilitiesRightofuseAssets TotalDeferredTaxLiabilitiesAssets Deferred Tax Assets, Valuation Allowance Deferred Tax Assets, Net SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount FinanceLeaseOfInitialPayments Repayments of Related Party Debt Related Party Transaction, Rate Revenues [Default Label] ParkingFines GainLossOnDispositionOfMotorVehicleOrMachinery