v3.21.1
TAXATION - Deferred tax (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 23, 2020
TAXATION      
Deferred tax liabilities recognized on the acquisition date     $ 4,469,630
Deferred tax [Note 20] $ 2,388,608 $ (3,892,570)  
Deferred tax liabilities $ 47,935,998 $ 41,077,761