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ACCOUNTS RECEIVABLE (Tables)

12 Months Ended

Dec. 31, 2016

ACCOUNTS RECEIVABLE [Abstract]

Schedule of Accounts Receivable

		As at December 31,
		2015			2016			2016
		RMB			RMB			US$
Accounts receivable			220,035			189,646			27,314
Allowance for doubtful accounts			(1,781)			(57)			(8)
Accounts receivable, net			218,254			189,589			27,306

		For the Years Ended December 31,
		2014			2015			2016			2016
		RMB			RMB			RMB			US$
The movement in the allowance for doubtful accounts were as follows:
Balance at the beginning of the year			3,091			2,281			1,781			257
Acquisition of CHS			—			167			—			—
Provisions for the year			700			2,925			1,066			154
Reversal of provisions from prior periods due to subsequent cash collection during the year			(1,510)			(749)			—			—
Amounts written off during the year			—			(2,843)			(2,790)			(403)
Balance at the end of the year			2,281			1,781			57			8

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- References

No definition available.

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- Definition

Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.3,4)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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