Trade Accounts and Bills Receivable, net (Details) - Schedule of analysis of the allowance for doubtful accounts - USD ($)	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Schedule of analysis of the allowance for doubtful accounts [Abstract]
Balance at beginning of period	$ 5,266,828	$ 4,650,686
Provision for the period		871,483
Reversal – recoveries by cash	(154,061)	(198,297)
Charged to consolidated statements of operations and comprehensive income (loss)	(154,061)	673,186
Foreign exchange adjustment	(17,819)	(86,308)
Balance at end of period	$ 5,094,948	$ 5,237,564

Amount of allowance for credit loss on accounts receivable, classified as current.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(4)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5074-111524

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121599878&loc=SL82895884-210446

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