TRADE PAYABLES (Tables)

12 Months Ended

Dec. 31, 2022

Notes and other explanatory information [abstract]

Schedule of Trade Payables

	December 31,
	2021		2022		2022
	CNY		CNY		US$
Trade payables		21,118		20,326		2,946

Schedule of Aging Analysis of Trade Payables

	December 31,
	2021		2022		2022
	CNY		CNY		US$
Within 1 year		8,326		4,139		600
Between 1 and 2 years		10,030		5,438		788
Over 2 years		2,762		10,749		1,558
Total		21,118		20,326		2,946