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Fair value measurements (Tables)
12 Months Ended
Dec. 31, 2022
Fair Value Disclosures [Abstract]  
Summary of Assets And Liabilities Measured Or Disclosed At Fair Value
For the year ended December 31, 2021, assets measured at fair value are summarized below:
 
           
Fair value measurement at December 31, 2021 using
        
    
Total Fair
Value at
December 31,
2021
    
Quoted prices in
active markets
for identical
assets (Level 1)
    
Significant
other
observable
inputs
(Level 2)
    
Significant
unobservable
inputs (Level 3)
    
Fair value
adjustment
 
    
RMB
    
RMB
    
RMB
    
RMB
    
RMB
 
Fair value measurements on a recurring basis
                                            
Derivative assets
     5,989        —          5,989        —          5,989  
Fair value measurement on a
non-recurring
basis
                                            
Equity investments accounted for at fair value using the alternative measurement
(i)
     585        —          —          585        (25,340
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
 
Total assets and liabilities measured at fair value
     6,574        —          5,989        585        (19,351
For the year ended December 31, 2022, assets measured at fair value are summarized below:
 
           
Fair value measurement at December 31, 2022 using
        
    
Total Fair
Value at
December 31,
2022
    
Quoted prices in
active markets
for identical
assets (Level 1)
    
Significant
other
observable
inputs (Level 2)
    
Significant
unobservable
inputs (Level 3)
    
Fair value
adjustment
 
    
RMB
    
USD
    
RMB
    
RMB
    
RMB
    
RMB
 
Fair value measurement on a
non-recurring
basis
                                                     
Equity investments accounted for at fair value using the alternative measurement
(i)
     —          —          —          —          —          (6,726
Property and equipment, net
(ii)
     10,991        1,594        —          10,991        —          (22,400
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
 
Total assets and liabilities measured at fair value
     10,991        1,594        —          10,991        —          (29,126
 
(i)
When there is impairment of equity securities accounted for under the measurement alternative, the non-recurring fair value measurements are measured at the date of impairment. Estimating the fair value of investees without observable market prices is highly judgemental due to the subjectivity of the unobservable inputs (level 3) used in the valuation methodologies used to determine fair value. The Company recognized impairment charges of long-term investments during the years ended December 31, 2021 and 2022 based on the financial situation and expected

a
mount to be received upon liquidation of the equity investee.
(ii)
The property and equipment impairment loss was a result of the “Going -Cloud” project undertaken, and was included in the consolidated statement of comprehensive income for the year ended December 31, 2022. The Company’s “Going-Cloud” project is a transition to use cloud based servers for a portion of our infrastructure needs, whereas the Company completely operated and maintained self-owned servers previously.