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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

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