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Loans Payable (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Mar. 22, 2021
Dec. 12, 2019
Nov. 06, 2018
Jul. 15, 2013
Apr. 17, 2019
Jun. 21, 2018
Apr. 16, 2014
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Loans Payable (Details) [Line Items]                        
Short-term bank loans               $ 6,422,501   $ 6,422,501   $ 6,435,348
Unsecured bank loans                  
Average short-term borrowing rates               4.79% 4.79% 4.79% 4.79%  
Loans from credit union               $ 9,690,252   $ 9,690,252   9,594,017
Long-term debt, interest rate per month   7.56%     0.60%              
Current portion of total outstanding loan               3,142,366   3,142,366   4,996,245
Non-current liabilities               3,451,959   3,451,959   3,494,307
Loan extension period   2 years     2 years 5 years            
Repayments due, description the loan was renewed for additional one year and the repayments will be due on April 16, 2022.                      
Total interest expenses               264,967 $ 241,436 523,450 $ 486,154  
ICBC Loan 1 [Member]                        
Loans Payable (Details) [Line Items]                        
Short-term bank loans               6,422,501   6,422,501   6,435,348
Short-term bank loans, bore interest rate                 4.785%   4.785%  
Rural Credit Union of Xushui District [Member]                        
Loans Payable (Details) [Line Items]                        
Loans from credit union               9,690,252   9,690,252   9,594,017
Installment repayment description     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.       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.          
Current portion of total outstanding loan               2,476,742   2,476,742   2,452,145
Total outstanding loan balance               2,476,742   2,476,742   2,452,145
Rural Credit Union of Xushui District [Member] | Long-term Loans [Member]                        
Loans Payable (Details) [Line Items]                        
Installment repayment description       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.                
Current portion of total outstanding loan               1,331,249   1,331,249   1,318,028
Total outstanding loan balance               247,674   247,674   214,563
Non-current liabilities               $ 1,083,575   $ 1,083,575   11,103,465
Rural Credit Union of Xushui District [Member] | New term loan agreement [Member]                        
Loans Payable (Details) [Line Items]                        
Long-term debt, interest rate per month               0.64%   0.64%    
Total outstanding loan balance               $ 3,869,908   $ 3,869,908   3,831,476
Security loan agreement by manufacturing equipment               1,522,164   1,522,164   2,349,796
Rural Credit Union of Xushui District One [Member]                        
Loans Payable (Details) [Line Items]                        
Long-term debt, interest rate per month             0.64%          
Current portion of total outstanding loan                   1,992,368
Total outstanding loan balance               2,012,353   2,012,353   1,992,368
Rural Credit Union of Xushui District One [Member] | New term loan agreement [Member]                        
Loans Payable (Details) [Line Items]                        
Total outstanding loan balance               $ 417,950   $ 417,950   $ 337,169