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Related Party Transactions (Details)				1 Months Ended						3 Months Ended	6 Months Ended	12 Months Ended
	Dec. 10, 2014 USD ($)	Aug. 07, 2013 USD ($)	Jan. 01, 2013	Dec. 31, 2019 USD ($)	Nov. 23, 2018 USD ($)	Feb. 28, 2018 USD ($)	Feb. 28, 2018 USD ($)	Aug. 06, 2016	Dec. 31, 2015 USD ($)	Mar. 31, 2021 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2020 USD ($)	Oct. 14, 2016 USD ($)	Jul. 13, 2015 USD ($)	Mar. 01, 2015 USD ($)	Mar. 01, 2015 CNY (¥)	Aug. 07, 2013 CNY (¥)
Related Party Transactions (Details) [Line Items]
Loan paid off				$ 94,636		$ 20,400			$ 2,249,279
Amount due to shareholder									$ 391,374
Outstanding loan balance											$ 3,451,959		$ 3,494,307
Loan due description											Mr. Zhenyong Liu agreed to extend the loan for additional 3 years and the remaining balance will be due on July 12, 2021.
Loan from related parties, interest expense
Accrued interest											$ 684,355		429,279
Shareholder expenses description											As of June 30, 2021 and December 31, 2020, amount due to shareholder was $727,433, which represents funds from shareholders to pay for various expenses incurred in the U.S. The amount is due on demand with interest free.
Mr. Zhenyong Liu [Member]
Related Party Transactions (Details) [Line Items]
Loans payable to related party												$ 6,012,416
Interest paid												$ 288,596
Outstanding loan balance											46,439		45,978
Term of loan		3 years
Dongfang Paper [Member] | Mr. Zhenyong Liu [Member]
Related Party Transactions (Details) [Line Items]
Loan paid off					$ 158,651
Other payables and accrued liabilities											396,796		392,855
Loans payable to related party	$ 8,742,278
Interest rate on loans	4.35%
Repayment of related party loans					$ 3,768,579		$ 1,507,432
Dongfang Paper [Member] | Mr. Zhenyong Liu [Member]
Related Party Transactions (Details) [Line Items]
Loan payable term, description			On January 1, 2013, Dongfang Paper and Mr. Zhenyong Liu renewed the three-year term loan previously entered on January 1, 2010, and extended the maturity date further to December 31, 2015.
Hebei Fangsheng [Member] | One employee dormitory buildings [Member]
Related Party Transactions (Details) [Line Items]
Sale price of dormitory buildings		$ 2,770,000
Hebei Fangsheng [Member] | Two employee dormitory buildings [Member]
Related Party Transactions (Details) [Line Items]
Sale price of dormitory buildings		1,150,000
Hebei Fangsheng [Member] | Three employees dormitory buildings [Member]
Related Party Transactions (Details) [Line Items]
Sale price of dormitory buildings		4,310,000
Hebei Fangsheng [Member] | RMB [Member]
Related Party Transactions (Details) [Line Items]
Rental payment		$ 154,603
Deferred Rent Receivables, Net (in Yuan Renminbi) | ¥																		¥ 1,000,000
Chief Executive Officer [Member]
Related Party Transactions (Details) [Line Items]
Loans payable to related party														$ 2,883,091	$ 4,324,636	$ 17,201,342
Outstanding loan balance											212,748		210,635
Industrial building lease term								four
Chief Executive Officer [Member] | Mr. Zhenyong Liu [Member]
Related Party Transactions (Details) [Line Items]
Accrued interest											$ 655,983		$ 649,468
Chief Executive Officer [Member] | RMB [Member]
Related Party Transactions (Details) [Line Items]
Loans payable to related party | ¥																	¥ 120,000,000

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