00000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 00000002 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 00000003 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 00000004 - Statement - Consolidated Statements of Operations and Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 00000005 - Statement - Consolidated Statements of Changes in Shareholders' Equity link:presentationLink link:calculationLink link:definitionLink 00000006 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 999014 - Disclosure - Organization and business overview link:presentationLink link:calculationLink link:definitionLink 999015 - Disclosure - Summary of significant accounting policies link:presentationLink link:calculationLink link:definitionLink 999016 - 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Disclosure - Income taxes link:presentationLink link:calculationLink link:definitionLink 999027 - Disclosure - Other income link:presentationLink link:calculationLink link:definitionLink 999028 - Disclosure - Commitment and Contingencies link:presentationLink link:calculationLink link:definitionLink 999029 - Disclosure - Subsequent events link:presentationLink link:calculationLink link:definitionLink 999030 - Disclosure - Summary of significant accounting policies (Policies) link:presentationLink link:calculationLink link:definitionLink 999031 - Disclosure - Organization and business overview (Tables) link:presentationLink link:calculationLink link:definitionLink 999032 - Disclosure - Summary of significant accounting policies (Tables) link:presentationLink link:calculationLink link:definitionLink 999033 - Disclosure - Accounts receivable, net (Tables) link:presentationLink link:calculationLink link:definitionLink 999034 - Disclosure - Contract assets and contract liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 999035 - 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Disclosure - Schedule of consolidated financial statements (Details) link:presentationLink link:calculationLink link:definitionLink 999045 - Disclosure - Schedule of property and equipment expected useful life (Details) link:presentationLink link:calculationLink link:definitionLink 999046 - Disclosure - Schedule of useful life of the intangible assets (Details) link:presentationLink link:calculationLink link:definitionLink 999047 - Disclosure - Schedule of fair value and carrying value of the Company’s bank loans (Details) link:presentationLink link:calculationLink link:definitionLink 999048 - Disclosure - Summary of significant accounting policies (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999049 - Disclosure - Schedule of accounts receivable, net (Details) link:presentationLink link:calculationLink link:definitionLink 999050 - Disclosure - Schedule of movements of allowance for credit losses (Details) link:presentationLink link:calculationLink link:definitionLink 999051 - 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Disclosure - Schedule of maturities of debt (Details) link:presentationLink link:calculationLink link:definitionLink 999066 - Disclosure - Bank loans (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999067 - Disclosure - Schedule of segment reporting information (Details) link:presentationLink link:calculationLink link:definitionLink 999068 - Disclosure - Segmental reporting (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999069 - Disclosure - Schedule of provision for income taxes (Details) link:presentationLink link:calculationLink link:definitionLink 999070 - Disclosure - Schedule of reconciliation between the statutory tax rate to the effective tax rate (Details) link:presentationLink link:calculationLink link:definitionLink 999071 - Disclosure - Schedule of components of deferred tax (Details) link:presentationLink link:calculationLink link:definitionLink 999072 - Disclosure - Income taxes (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999073 - Disclosure - Schedule of other income (Details) link:presentationLink link:calculationLink link:definitionLink 999074 - Disclosure - Subsequent events (Details Narrative) link:presentationLink link:calculationLink link:definitionLink