Debt Disclosure [Text Block] | (7) Loans Payable Short-term bank loans March 31, December 31, 2020 2019 Industrial and Commercial Bank of China (“ICBC”) Loan 1 (a) $ 6,069,075 $ 6,163,814 Total short-term bank loans $ 6,069,075 $ 6,163,814 On December 20, 2019, the Company entered into a working capital loan agreement with the ICBC, with a balance of $6,069,075 $6,163,814 as of March 31, 2020 and December 31, 2019, respectively. The working capital loan was secured by land use right of Hebei Tengsheng as collateral for the benefit of the bank. The loan bears a fixed interest rate of 4.785% per annum. The loan will be due and repaid by December 23, 2020. As of March 31, 2020, there were guaranteed short-term borrowings of $6,069,075 and unsecured bank loans of $nil. As of December 31, 2019, there were guaranteed short-term borrowings of $6,163,814 and unsecured bank loans of $nil. The average short-term borrowing rates for the three months ended March 31, 2020 and 2019 were approximately 4.79% and 4.76%, respectively. Long-term loans from credit union As of March 31, 2020 and December 31, 2019, loans payable to Rural Credit Union of Xushui District, amounted to $8,835,443 and $8,973,367, respectively. March 31, December 31, 2020 2019 Rural Credit Union of Xushui District Loan 1 $ 1,213,815 $ 1,232,763 Rural Credit Union of Xushui District Loan 2 3,528,532 3,583,613 Rural Credit Union of Xushui District Loan 3 2,258,260 2,293,512 Rural Credit Union of Xushui District Loan 4 1,834,836 1,863,479 Total 8,835,443 8,973,367 Less: Current portion of long-term loans from credit union (1,580,782 ) (1,605,459 ) Long-term loans from credit union $ 7,254,661 $ 7,367,908 As of March 31, 2020, the Company’s long-term debt repayments for the next five years were as follows: Amount Fiscal year Remainder of 2020 $ 1,580,782 2021 3,020,423 2022 1,552,554 2023 2,681,684 Total 8,835,443 On April 16, 2014, the Company entered into a loan agreement with the Rural Credit Union of Xushui District for a term of 5 years, which was originally due in various installments from June 21, 2014 to November 18, 2018. The loan is guaranteed by an independent third party. Interest payment is due quarterly and bears the rate of 0.64% per month. On November 6, 2018, the loan was renewed for additional 5 years and will be due and payable in various installments from December 21, 2018 to November 5, 2023. As of March 31, 2020 and December 31, 2019, total outstanding loan balance was $1,213,815 and $1,232,763, respectively. Out of the total outstanding loan balance, current portion amounted were $141,141 and $143,345 as of March 31, 2020 and December 31, 2019, respectively, which are presented as current liabilities in the consolidated balance sheet and the remaining balance of $1,072,674 and $1,089,418 are presented as non-current liabilities in the consolidated balance sheet as of March 31, 2020 and December 31, 2019, respectively. On July 15, 2013, the Company entered into a loan agreement with the Rural Credit Union of Xushui District for a term of 5 years, which was originally due and payable in various installments from December 21, 2013 to July 26, 2018. On June 21, 2018, the loan was extended for additional 5 years and will be due and payable in various installments from December 21, 2018 to June 20, 2023. The loan is secured by certain of the Company’s manufacturing equipment with net book value of $3,443,097 and $3,935,270 as of March 31, 2020 and December 31, 2019, respectively. Interest payment is due quarterly and bears a fixed rate of 0.64% per month. As of March 31, 2020 and December 31, 2019, the total outstanding loan balance was $3,528,532 and $3,583,613, respectively. Out of the total outstanding loan balance, current portion amounted were $169,370 and $172,013 as of March 31, 2020 and December 31, 2019, respectively, which are presented as current liabilities in the consolidated balance sheet and the remaining balance of $3,359,162 and $3,411,600 are presented as non-current liabilities in the consolidated balance sheet as of March 31, 2020 and December 31, 2019, respectively. On April 17, 2019, the Company entered into a loan agreement with the Rural Credit Union of Xushui District for a term of 2 years, which was due and payable in various installments from August 21, 2019 to April 16, 2021. The loan is secured by Hebei Tengsheng with its land use right as collateral for the benefit of the bank. Interest payment is due quarterly and bears a fixed rate of 0.6% per month. As of March 31, 2020 and December 31, 2019, the total outstanding loan balance was $2,258,260 and $2,293,512, respectively. Out of the total outstanding loan balance, current portion amounted were $1,129,130 and $1,146,756 as of March 31, 2020 and December 31, 2019, respectively, which are presented as current liabilities in the consolidated balance sheet and the remaining balance of $1,129,130 and $1,146,756 are presented as non-current liabilities in the consolidated balance sheet as of March 31, 2020 and December 31, 2019, respectively. On December 12, 2019, the Company entered into a loan agreement with the Rural Credit Union of Xushui District for a term of 2 years, which was due and payable in various installments from June 21, 2020 to December 11, 2021. The loan is secured by Hebei Tengsheng with its land use right as collateral for the benefit of the bank. Interest payment is due monthly and bears a fixed rate of 7.56% per annum. As of March 31, 2020 and December 31, 2019, the total outstanding loan balance was $1,834,836 and $1,863,479, respectively. Out of the total outstanding loan balance, current portion amounted were $141,141 and $143,345 as of March 31, 2020 and December 31, 2019, respectively, which are presented as current liabilities in the consolidated balance sheet and the remaining balance of $1,693,695 and $1,720,134 are presented as non-current liabilities in the consolidated balance sheet as of March 31, 2020 and December 31, 2019, respectively. Total interest expenses for the short-term bank loans and long-term loans for the three months ended March 31, 2020 and 2019 were $244,718 and $230,953, respectively. |