OTHER PAYABLES AND ACCRUED LIABILITIES

12 Months Ended

Dec. 31, 2019

Disclosure of other payables and accrued liabilities [Abstract]

OTHER PAYABLES AND ACCRUED LIABILITIES

9.

OTHER PAYABLES AND ACCRUED LIABILITIES

	December 31,
	2018		2019		2019
	CNY		CNY		US$
Contract deposit		102		102		15
Social security payable (a)		102		104		15
Payroll payable		442		433		62
Welfare payable		14		24		3
Accrued expenses		964		1,484		214
Others		15		14		2
		1,639		2,161		311

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(a)

The social security payable represents amounts payable to the PRC government-managed retirement insurance, medical insurance, etc.