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GAIN FROM DERECOGNITION OF LIABILITIES (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)	Dec. 31, 2020 CNY (¥)	Dec. 31, 2018 CNY (¥)
Gain from derecognition of liabilities	$ 602	¥ 3,926	¥ 15,226
Suzhou Wenjian
Gain from derecognition of liabilities			9,150
Other Creditors
Gain from derecognition of liabilities			¥ 6,076
Other Creditors | Minimum
Aging of payables			3 years
Other Creditors | Maximum
Aging of payables			7 years

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- Definition

Gain from derecognition of liabilities.

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No definition available.

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