Quarterly report pursuant to Section 13 or 15(d)

Long-Term Investment (Details) - Schedule of long-term investment

v3.21.2
Long-Term Investment (Details) - Schedule of long-term investment - USD ($)
Jun. 30, 2021
Dec. 31, 2020
Schedule of long-term investment [Abstract]    
Investment cost $ 5,058,917 $ 5,027,600
Less: Allowance for value decline (1,349,875) (722,044)
Net $ 3,709,042 $ 4,305,556