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Land-Use Rights, Net	12 Months Ended
	Dec. 31, 2023
Land-Use Rights [Abstract]
Land-Use Rights, Net	8. LAND-USE RIGHTS, NET In March 2021, the Group acquired a land-use right at a total cost of RMB43,188 for approximately 26,615 square meters of land in Shanghai, the PRC for the construction of a factory. According to the land-use rights policy in the PRC, the Group has a 50-year use right over the land, and it is amortized over this period on a straight - line basis. The Group recorded amortization expenses of RMB718, RMB864, and RMB863 for the years ended December 31, 2021, 2022 and 2023, respectively. The weighted average remaining lease term was 47.19 years as of December 31, 2023.

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The entire disclosure of land use rights.

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