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PREPAID LAND LEASE PAYMENTS (Schedule of Estimated Annual Amortization Expenses) (Details) - Dec. 31, 2016
¥ in Thousands, $ in Thousands
CNY (¥)
USD ($)
PREPAID LAND LEASE PAYMENTS [Abstract]    
2017 ¥ 2,144 $ 309
2018 2,144 309
2019 2,144 309
2020 2,144 309
2021 ¥ 2,144 $ 309