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TAXATION (Schedule of Deferred Taxes) (Parenthetical) (Details) ¥ in Thousands, $ in Thousands | Dec. 31, 2017 CNY (¥) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 CNY (¥)
--- | --- | --- | ---
Income Tax Contingency [Line Items] |  |  |
Operating Loss Carryforwards | ¥ 253,895 | $ 39,023 |
Current Portion [Member] |  |  |
Income Tax Contingency [Line Items] |  |  |
Deferred tax assets offset against deferred tax liabilities | ¥ 9,566 | $ 1,470 | ¥ 12,234

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