Shortterm bank loans (Details) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Short-term Bank Loans and Notes Payable	$ 3,636,591	$ 4,719,552
Loan payable to Bank of China Lishui Branch \| Loan payable One [Member]
Short-term Bank Loans and Notes Payable	2,331,591	2,679,852
Loan payable to SPD bank \| Loan payable Two [Member]
Short-term Bank Loans and Notes Payable	$ 1,305,000	$ 2,039,700

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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(a)(1))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
-URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910

Name:	us-gaap_ShortTermBankLoansAndNotesPayable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant