Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Accounting Policies [Abstract]

Schedule of Property, Plant and Equipment

Within the property, plant and equipment, the value for construction in process is included within the manufacturing equipment.

Category	Estimated useful life
Leasehold improvements	1-3 years
Manufacturing equipment	3 – 10 years
Computer and electronic equipment	3 – 5 years
Office equipment	2 – 4 years
Motor vehicles	3 – 4 years

Schedule of Amounts and Percentages of Total Revenues

The following table sets forth a breakdown of the Group’s revenues, in absolute amounts and percentages of total revenues for the years presented:

	For the Years Ended December 31,
	2020				2021				2022
	RMB		%		RMB		%		RMB		US$		%
Sourcing services		1,464		100.0		1,394		17.4		4,428		642		56.8
Product sales		-		-		6,616		82.6		3,061		444		39.3
Battery-swapping services		-		-		-		-		307		45		3.9
Total revenues		1,464		100.0		8,010		100.0		7,796		1,131		100.0