v3.25.2
Financial risk management - Additional Information (Details)
¥ in Thousands, $ in Thousands
12 Months Ended
Sep. 05, 2023
CNY (¥)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2024
USD ($)
Financial risk management        
Borrowings   ¥ 824,045 ¥ 754,774  
Unrealized losses arising from financial instruments measured at fair value   (4,900)    
Financial assets at fair value through other comprehensive income   195,789 104,970 $ 26,823
Financial assets at fair value through profit or loss   ¥ 3,205 ¥ 104,952  
Customer One        
Financial risk management        
Percentage of entities revenue     23.00%  
Customer One | Bottom of range        
Financial risk management        
Percentage of entities revenue     10.00%  
Customer Two        
Financial risk management        
Percentage of entities revenue     17.00%  
Customer Two | Bottom of range        
Financial risk management        
Percentage of entities revenue     10.00%  
No Customers | Bottom of range        
Financial risk management        
Percentage of entities revenue   10.00%    
Anji Datacom | Supplier concentration risk        
Financial risk management        
Percentage of Cost of Sales   11.00% 9.00%  
Contract Term   5 years    
Contract Expiration Date   Mar. 30, 2027    
Interest rate risk        
Financial risk management        
Borrowings   ¥ 683,000 ¥ 754,800  
Percentage of reasonably possible increase in unobservable input, liabilities   100.00%   100.00%
Percentage of reasonably possible decrease in unobservable input, liabilities   100.00%   100.00%
Increase (decrease) in fair value measurement due to reasonably possible increase in unobservable input, recognised in profit or loss, before tax, liabilities   ¥ 7,600 6,600  
Increase (decrease) in fair value measurement due to reasonably possible decrease in unobservable input, recognised in profit or loss, before tax, liabilities   7,600 ¥ 6,600  
Equity price risk        
Financial risk management        
Percentage of reasonably possible increase in unobservable input, liabilities     10.00%  
Percentage of reasonably possible decrease in unobservable input, liabilities     10.00%  
Financial assets at fair value through other comprehensive income   66,600 ¥ 105,000  
Increase decrease in fair value measurement due to reasonably possible increase in uobservable input recognized in other comprehensive income after tax   6,600 10,500  
Increase decrease in fair value measurement due to reasonably possible decrease in uobservable input recognized in other comprehensive income after tax   6,600 10,500  
Increase decrease in fair value measurement due to reasonably possible increase in unobservable input recognized in comprehensive income loss after tax   6,600 10,500  
Increase decrease in fair value measurement due to reasonably possible decrease in unobservable input recognized in comprehensive income loss after tax   ¥ 6,600 10,500  
Convertible redeemable preference shares        
Financial risk management        
Total cash consideration ¥ 113,800      
Unutilized borrowing capacity     ¥ 12,500