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Deferred Government Grants (Details)
$ in Thousands
12 Months Ended
Dec. 12, 2024
USD ($)
Dec. 12, 2024
CNY (¥)
Nov. 02, 2023
USD ($)
Nov. 02, 2023
CNY (¥)
Jun. 23, 2020
USD ($)
Jun. 23, 2020
CNY (¥)
Oct. 17, 2014
CNY (¥)
Dec. 31, 2021
USD ($)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2024
Deferred Government Grants [Abstract]                    
Government grants                   Deferred government grants, current
Subsidy received             ¥ 46,150,000      
Amount received         $ 6,820 ¥ 47,100,000        
Other income               $ 1,600 ¥ 10,000,000  
Subsidy               $ 5,900 ¥ 37,100,000  
Development cost $ 1,600 ¥ 11,420,000 $ 1,200 ¥ 8,400,000