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BORROWINGS (Short-Term Borrowings) (Details) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Short-term Debt [Line Items]      
Short-term bank borrowings $ 79,062,810 $ 34,135,224  
Interest rate on short-term bank borrowings 5.30% 5.00% 5.10%
Certificate of deposit [Member]      
Short-term Debt [Line Items]      
Short-term bank borrowings   $ 5,059,224  
Daqo Group And Its Related Parties [Member]      
Short-term Debt [Line Items]      
Short-term bank borrowings $ 79,062,810 $ 29,076,000