v3.26.1
Consolidated Statements of Cash Flows - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Cash flows from operating activities      
Net (loss) income $ (170,277) $ (571,717) $ 756,761
Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities      
Depreciation expense 387,066 365,366 248,146
Amortization expense 28,025 10,269 15,118
Provision for credit losses or doubtful accounts 31,609 217,471 190,983
Write-down of inventories (5,195) 129,686 6,713
Deferred tax expense (benefits) 0 0 74,616
Amortization of operating lease right-of-use assets 325,619 261,754 154,455
Amortization of finance lease right-of-use assets 23,809 11,951 0
Loss from disposal of property and equipment 0 1,046 0
Changes in operating assets and liabilities      
Accounts and notes receivable (977,781) 1,019,565 (1,371,684)
Accounts receivable - related parties (516) (16,938) (218,421)
Prepayments 167,076 (530,103) 275,082
Prepayments - related parties 734,101 (2,889,728) (1,004,692)
Inventories (1,035,063) (117,157) (909,054)
Other receivables and other current assets (72,096) (335,891) (52,168)
Prepaid expenses and deposits 304,325 (57,373) (1,107)
Operating lease receivable - related party (21,904) 0 0
Accounts payable 436,106 345,455 (25,698)
Accounts payable - related party 378,440 (411,139) 392,777
Contract liabilities (3,502,282) 2,244,964 2,146,876
Accrued expenses and other payables 342,477 201,624 307,405
Operating lease liabilities (144,786) (132,525) (34,652)
Operating lease liabilities - related parties (303,181) (102,751) (204,940)
Other payables - related parties (58,690) 18,794 0
Taxes payable 86,440 (474,512) (295,495)
Net cash (used in) provided by operating activities (3,046,678) (811,889) 451,021
Cash flows from investing activities      
Purchases of property, plant and equipment (799,279) (450,637) (43,254)
Purchase of intangible assets (208,898) (15,170) (37,993)
Disposal of property, plant and equipment 54,147 0 0
Prepayment for land use right 0 (2,016,296) 0
Disposal a subsidiary (478) 0 0
Loans to related parties (2,673,715) (301,949) (677,765)
Repayments from related parties 1,984,757 0 677,267
Net cash used in investing activities (1,643,466) (2,784,052) (81,745)
Cash flows from financing activities      
Borrowings from related parties 765,040 178,860 1,587,015
Repayments to related parties 0 0 (1,511,509)
Proceeds from bank loan 714,990 0 282,450
Repayments to bank loan (42,987) (795,394) (1,218,164)
Repayments to third party loans 0 0 (194,226)
Repayments of finance lease liabilities (129,181) (119,223) 0
Dividends payments   (517,140) (1,275,902)
Capital contribution from noncontrolling interest shareholder   50,000 0
Proceeds from issuance of shares upon IPO   5,000,000 0
Proceeds from issuance of shares pursuant to exercise of over-allotment 413,940 413,940 0
Payments of initial public offering costs   (1,418,521) (474,972)
Net cash provided by (used in) financing activities 1,307,862 2,792,522 (2,805,308)
Effect of exchange rate change on cash and restricted cash 553,653 (526,628) 108,141
Net change in cash and restricted cash (2,828,629) (1,330,047) (2,327,891)
Cash and restricted cash - beginning of the year 9,472,358 10,802,405 13,130,296
Cash and restricted cash - end of the year 6,643,729 9,472,358 10,802,405
Cash 6,624,600 8,968,814 10,802,405
Restricted cash 19,129 503,544 0
Supplemental disclosure of cash flow information      
Interest paid 66,306 66,864 91,276
Income tax paid 178,863 746,044 664,259
Supplemental non-cash information      
Finance lease right-of-use assets obtained in exchange for finance lease liabilities 0 235,556 0
Operating lease right-of-use assets obtained in exchange for operating lease liabilities 43,311 993,783 377,039
Termination of operating lease right-of-use asset with lease liability 0 (27,667) 0
Other receivables - related party offset with other payables - related party upon execution of offset agreement 0 0 381,710
Deferred IPO costs transfer to additional paid-in capital upon IPO $ 0 $ (1,192,734) $ 0