Fixed Assets, Net

12 Months Ended

Dec. 31, 2022

Property, Plant and Equipment [Abstract]

FIXED ASSETS, NET

11.FIXED ASSETS, NET

Fixed assets consist of the following:

	As of December 31,
	2021			2022			2022
	RMB			RMB			US$
Computer equipment		2,285,185			1,960,884			284,301
Office building		588,685			588,685			85,351
Leasehold improvements		194,336			162,653			23,582
Office furniture and equipment		158,784			147,766			21,424
Others		27,786			29,211			4,235
		3,254,776			2,889,199			418,893
Less: Accumulated depreciation		(1,916,807	)		(1,793,614	)		(260,050	)
Construction in progress		6,815			9,136			1,326
		1,344,784			1,104,721			160,169

Impairment charges in the amount of RMB95,111, nil and nil were recognized on fixed assets for the years ended December 31, 2020, 2021 and 2022, respectively.

Depreciation expense was RMB480,396, RMB400,241 and RMB337,423 (US$48,922) for the years ended December 31, 2020, 2021 and 2022, respectively.