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DEPOSITS FOR NON-CURRENT ASSETS (Schedule of Deposits for Non-Current Assets) (Details)
¥ in Thousands, $ in Thousands
Dec. 31, 2019
USD ($)
Dec. 31, 2019
CNY (¥)
Dec. 31, 2018
CNY (¥)
DEPOSITS FOR NON-CURRENT ASSETS      
Deposits for purchases of property, plant and equipment $ 103,047 ¥ 717,392 ¥ 668,698
Reserve for unrecoverable deposits (13,396) (93,260) (30,860)
Deposits $ 89,651 ¥ 624,132 ¥ 637,838