EMPLOYEE BENEFITS (Tables)

12 Months Ended

Dec. 31, 2023

Notes and other explanatory information [abstract]

Schedule of employee benefits

	Year Ended December 31,
	2021		2022		2023		2023
	CNY		CNY		CNY		US$
Wages, salaries and allowances		1,269		1,042		1,073		151
Housing funds (a)		113		16		12		2
Contribution to pension plans (a)		102		67		70		10
Welfare and other expenses		33		46		37		5
Total employee benefits		1,517		1,171		1,192		168

(a) According to the Mainland China state regulations, the employees of the Group's subsidiaries which operate in Mainland China are required to participate in a central pension scheme operated by the local municipal government and government-sponsored housing funds. These subsidiaries are required to contribute a certain percentage of their payroll costs for those qualified urban employees to the central pension scheme as well as to housing funds.