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Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Cash flows from operating activities |  |
Net (loss) income | $ (7,132,573) | $ 929,059
Adjustments to reconcile net (loss) income to cash (used in) provided by operating activities: |  |
Allowance for doubtful accounts | 13,891 | 0
Depreciation and amortization | 680,166 | 598,144
Amortization of debt discounts |  | 313,699
Changes in assets and liabilities |  |
Accounts receivable | (1,186,720) | (174,320)
Other receivables | (16,019) | (37,495)
Prepayments | (74,835) | 246,444
Inventory | 1,916,878 | (1,703,184)
Prepaid expenses |  | 68,970
Right of use assets | (69,140) | 25,722
Accounts payable | (2,381,174) | (1,483,555)
Accruals and other payables | 1,827,143 | (181,525)
Unearned revenue | 1,084,197 | (1,667,355)
Payroll payable | 51,483 | 2,748
Taxes payable | 538,403 | (337,763)
Accrued interest | 444 | (444)
Operating leases | 69,140 | (25,722)
Other assets | 0 | (3,835)
Net cash used in operating activities | (4,678,716) | (3,430,412)
Cash flows from investing activities |  |
Payments for equipment | 0 | 336,669
Payments for construction | 0 | (487,276)
Net cash used in investing activities | 0 | (150,607)
Cash flows from financing activities |  |
Proceeds from bank borrowings |  | 772,016
Payment of Bank Loan | (1,307,808) |
Amount received from secured borrowing arrangement | 599,664 |
Amounts received from related party | 118,883 | 1,081,967
Net proceeds from issuance of ordinary shares upon IPO | 5,965,750 |
Net proceeds from issuance of convertible notes |  | 925,000
Net cash provided by financing activities | 5,376,489 | 2,560,629
Effect of exchange rates on cash | 152,506 | 522,676
Net change in cash,and restricted cash | 850,279 | (497,714)
Cash and restricted cash at beginning of year | 254,935 | 748,814
Cash and restricted cash at end of year | 1,105,214 | 254,935
Supplemental of cash flow information |  |
Cash paid for interest expenses | 255,229 | 292,582
Cash paid for income tax | $ 286,762 | $ 110,043

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