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PREPAID EXPENSES AND OTHER CURRENT ASSETS (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
PREPAID EXPENSES AND OTHER CURRENT ASSETS    
Spare parts $ 6,467 $ 7,077
Prepaid value added tax ("VAT") 34,300 121
Prepaid costs for equity offering of Xinjiang Daqo 0 1,511
Others 917 2,768
Total $ 41,684 $ 11,477