CASH AND CASH EQUIVALENTS (Tables)

6 Months Ended

12 Months Ended

Jun. 30, 2023

Dec. 31, 2022

Notes and other explanatory information [abstract]

Schedule of cash and cash equivalents

	December 31,		June 30,
	2022		2023		2023
	CNY		CNY		US$
	(Audited)		(Unaudited)		(Unaudited)
Cash and cash equivalents
- Cash on hand		71		5		1
- Cash at bank		31,154		32,204		4,439
- Short-term deposits		470		—		—
		31,695		32,209		4,440

	December 31,
	2021		2022		2022
	CNY		CNY		US$
Cash and cash equivalents
- Cash on hand		74		71		10
- Cash at bank		58,285		31,154		4,514
- Short-term deposits		—		470		71
Total Cash and cash equivalent		58,359		31,695		4,595

Schedule of group’s cash and cash equivalents

	December 31,		June 30,
	2022		2023		2023
	CNY		CNY		US$
	(Audited)		(Unaudited)		(Unaudited)
CNY		24,709		27,398		3,777
US$		6,255		4,426		610
HK$		731		385		53
		31,695		32,209		4,440

	December 31,
	2021		2022		2022
	CNY		CNY		US$
CNY		37,333		24,709		3,582
US$		20,011		6,255		907
HK$		1,015		731		106
		58,359		31,695		4,595