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INVESTMENT PROPERTY (Details) - CNY (¥)
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Disclosure of detailed information about investment property [line items]      
Investment property fair value used as deemed cost ¥ 37,253,000 ¥ 37,253,000  
As of beginning of the year 4,994,000    
Impairment losses recognized in profit or loss transferred from property, plant and equipment 4,858,000 1,617,000 ¥ 10,920,000
As of end of the year 0 4,994,000  
Additions from acquisitions, investment property 0 4,994,000  
Accumulated depreciation      
Disclosure of detailed information about investment property [line items]      
As of beginning of the year (1,750,000) (1,570,000)  
Depreciation for the year (136,000) (180,000)  
As of end of the year (1,886,000) (1,750,000) (1,570,000)
Impairment for the year      
Disclosure of detailed information about investment property [line items]      
As of beginning of the year (30,509,000) (28,892,000)  
Impairment losses recognized in profit or loss transferred from property, plant and equipment (4,858,000) (1,617,000)  
As of end of the year ¥ (35,367,000) ¥ (30,509,000) ¥ (28,892,000)