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Consolidated Statements of Cash Flows - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Cash Flows from Operating Activities:    
Net loss $ (3,399,476) $ (2,866,777)
Depreciation and amortization 3,087,820 2,679,470
Bad debt (benefit) expense (255,215) 115,186
Stock option compensation 15,243
Original issue discount accretion 250,000
Changes in assets and liabilities:    
Trade accounts and other receivables (545,534) (613,678)
Advances to suppliers 1,798 (1,708)
Inventory 1,011,905 807,592
Trade accounts payable (332,779) (214,015)
Other payables and accrued expenses 415,309 (15,217)
Change in bankers’ acceptance notes payable (111,160)
Advances from customers (520,414) 169,736
Prepaid expenses 21,505 8,311
Net Cash Used in Operating Activities (249,838) (42,260)
Cash Flows from Investing Activities:    
Purchases of property and equipment (438,055) (867,307)
Net Cash Used in Investing Activities (438,055) (867,307)
Cash Flows from Financing Activities:    
Payments of construction term loan (2,325,039) (2,174,669)
Payments of line of credit (2,526,542) (72,489)
Borrowings and interest from related party 1,183,414 206,908
Repayments to related party (562,659) (191,639)
Proceeds from convertible redeemable debt 5,000,000
Proceeds from lines of credit 3,828,564 2,856,066
Net Cash (Used In) Provided By Financing Activities 4,597,738 624,177
Effect of Exchange Rate Changes on Cash (8,439) 58,156
Net Increase in Cash, Cash Equivalents and Restricted Cash 3,901,406 (227,234)
Cash and Cash Equivalents at Beginning of Period 957,653 1,184,887
Cash, Cash Equivalents and Restricted Cash at End of Period 4,859,059 957,653
Supplemental Cash Flow Information:    
Cash paid for income taxes
Cash paid for interest 218,232 237,530
Supplemental Noncash Investing and Financing Activities:    
Accounts receivable collected with banker’s acceptances 601,021 687,347
Inventory purchased with banker’s acceptances 565,079 682,791
Right-of-use assets obtained in exchange for operating lease obligations 168,606 229,673
Conversion of officer wages to common stock $ 864,480