Concentration and Risks (Tables)

12 Months Ended

Dec. 31, 2021

Credit Risk

Concentration Risk [Line Items]

Summary of Concentration of Risk

Concentration risk of accounts and notes receivable from third parties are presented as below:

	As of December 31,
	2020				2021
	RMB				RMB
Company A		221,614	52	%		161,785	54	%
Company B		164,518	38	%		37,776	12	%

Concentration risk of accounts receivable from a related party are presented as below:

	As of December 31,
	2020				2021
	RMB				RMB
Xiaomi		609,094	100	%		320,939	100	%

Concentration risk of other receivables from related parties are presented as below:

	As of December 31,
	2020				2021
	RMB				RMB
Xiaomi		88,038	100	%		88,367	100	%

Revenue Concentration Risk

Concentration Risk [Line Items]

Summary of Concentration of Risk

	Year ended December 31,
	2019				2020				2021
	RMB				RMB				RMB
Xiaomi		2,112,170	45	%		2,889,441	50	%		2,295,569	43	%