REVENUE FROM CONTRACT WITH CUSTOMERS (Tables)

6 Months Ended

Jun. 30, 2022

Revenue From Contract With Customers

Schedule of Disaggregated Revenue Information

	Six months ended June 30,
	2021		2022		2022
	CNY		CNY		US$
	(As adjusted and unaudited)		(Unaudited)		(Unaudited)
Type of goods or services
Construction contract revenue		4,601		12,639		1,889
Operation services of service concession arrangement		3,223		3,433		512
Construction services of service concession arrangement		396		—		—
Total revenue from contracts with customers		8,220		16,072		2,401
Geographic market
Mainland China		8,220		16,072		2,401
Timing of revenue recognition
Over time		8,220		16,072		2,401
Total revenue from contracts with customers		8,220		16,072		2,401