Description regarding repayment of installment.

No definition available.

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- Definition

Period for which loan extended by the company.

+ References

No definition available.

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- References

No definition available.

+ Details

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- Definition

The average effective interest rate during the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
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Balance Type:	na
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- Definition

Interest and debt related expenses associated with nonoperating financing activities of the entity.

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-Topic 835
-SubTopic 20
-Section 50
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Balance Type:	debit
Period Type:	duration

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of loans from a bank with maturities initially due after one year or beyond the normal operating cycle if longer.

+ References

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Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of current portion of long-term loans payable to bank due within one year or the operating cycle if longer.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

+ Details

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Balance Type:	na
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- Definition

Carrying value as of the balance sheet date of loans from a bank with maturities initially due after one year or beyond the operating cycle if longer, excluding current portion.

+ References

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Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The carrying amount, as of the date of the latest financial statement presented, of all assets that are pledged as collateral for the payment of the related debt obligation primarily arising from secured borrowings, repurchase agreements or other current or potential obligations, where the secured party does not have the right by contract or custom to sell or re-pledge the collateral and therefore are not reclassified and separately reported in the statement of financial position.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
-Section 50
-Paragraph 1A
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Balance Type:	debit
Period Type:	instant

- Definition

Amount of borrowings from a bank classified as other, maturing within one year or operating cycle, if longer.

+ References

+ Details

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Period Type:	instant

- Definition

The portion of the carrying amount of short-term borrowings outstanding as of the balance sheet date which accrues interest at a set, unchanging rate.

+ References

No definition available.

+ Details

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

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- Details

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Loans Payable (Details) - USD ($)				1 Months Ended			3 Months Ended	12 Months Ended
Loans Payable (Details) - USD ($)	Dec. 12, 2019	Nov. 06, 2018	Jul. 15, 2013	Apr. 17, 2019	Jun. 21, 2018	Apr. 16, 2014	Mar. 31, 2021	Dec. 31, 2020
Loans Payable (Details) [Line Items]
Short-term bank loans							$ 6,389,908	$ 6,435,348
Unsecured bank loans
Average short-term borrowing rates							4.79%	4.79%
Loans from credit union							$ 9,526,274	$ 9,594,017
Long-term debt, interest rate per month	7.56%			0.60%
Current portion of total outstanding loan							4,960,967	4,996,245
Non-current liabilities							3,469,633	3,494,307
Loan extension period	2 years			2 years	5 years
Total interest expenses							258,483	244,718
ICBC Loan 1 [Member]
Loans Payable (Details) [Line Items]
Short-term bank loans							$ 6,389,908	6,435,348
Short-term bank loans, bore interest rate							4.785%
Rural Credit Union of Xushui District [Member]
Loans Payable (Details) [Line Items]
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							$ 2,434,830	2,452,145
Total outstanding loan balance							2,434,830	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							1,308,721	1,318,028
Total outstanding loan balance							213,048	214,563
Non-current liabilities							$ 1,095,673	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%
Total outstanding loan balance							$ 3,804,423	3,831,476
Security loan agreement by manufacturing equipment							1,882,319	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							1,978,300	1,992,368
Total outstanding loan balance							1,978,300	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							$ 334,789	$ 337,169