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Payables to Former Subsidiaries, net (Details) - Schedule of payables to a former subsidiaries, net - USD ($)
Jun. 30, 2021
Dec. 31, 2020
Payables to Former Subsidiaries, net (Details) - Schedule of payables to a former subsidiaries, net [Line Items]    
Payables to former subsidiaries, net $ 362,549 $ 626,990
Bak Tianjin [Member]    
Payables to Former Subsidiaries, net (Details) - Schedule of payables to a former subsidiaries, net [Line Items]    
Payables to former subsidiaries, net 18,794 29,852
Bak Shenzhen [Member]    
Payables to Former Subsidiaries, net (Details) - Schedule of payables to a former subsidiaries, net [Line Items]    
Payables to former subsidiaries, net $ 343,755 $ 597,138