v3.25.4
Financial risk management (Details)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2024
USD ($)
Financial risk management (Details) [Line Items]      
Borrowings ¥ 824,045 ¥ 754,774  
Financial assets at fair value through other comprehensive income 195,789 ¥ 104,970 $ 26,823
Unrealized losses arising from financial instruments measured at fair value (4,900)    
Customer One [Member]      
Financial risk management (Details) [Line Items]      
Percentage of entities revenue   23.00%  
Customer Two [Member]      
Financial risk management (Details) [Line Items]      
Percentage of entities revenue   17.00%  
Interest rate risk [member]      
Financial risk management (Details) [Line Items]      
Borrowings ¥ 683,000    
Interest Rate Risk [Member]      
Financial risk management (Details) [Line Items]      
Borrowings   ¥ 754,800  
Percentage of reasonably possible decrease in unobservable input, liabilities 100.00%   100.00%
Percentage of reasonably possible increase 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  
Financial assets at fair value through other comprehensive income 66,600    
Equity price risk [member]      
Financial risk management (Details) [Line Items]      
Percentage of reasonably possible decrease in unobservable input, liabilities   10.00%  
Percentage of reasonably possible increase in unobservable input, liabilities   10.00%  
Financial assets at fair value through other comprehensive income   ¥ 105,000  
Increase decrease in fair value measurement due to reasonably possible increase in unobservable input recognized in comprehensive income loss after tax 6,600,000,000 10,500,000,000  
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 unobservable input recognized in comprehensive income loss after tax 6,600,000,000 10,500,000,000  
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  
Bottom of range [member] | No Customers [Member]      
Financial risk management (Details) [Line Items]      
Percentage of entities revenue 10.00%    
Bottom of range [member] | Customer One [Member]      
Financial risk management (Details) [Line Items]      
Percentage of entities revenue   10.00%  
Bottom of range [member] | Customer Two [Member]      
Financial risk management (Details) [Line Items]      
Percentage of entities revenue   0.10%  
IFRS Supplier concentration Risk [Member] | Anji Datacom [Member]      
Financial risk management (Details) [Line Items]      
Contract Expiration Date Mar. 30, 2027    
Contract Term 5 years    
Percentage of Cost of Sales 11.00% 9.00%  
Convertible Redeemable Preference Shares [Member]      
Financial risk management (Details) [Line Items]      
Total cash consideration ¥ 113,800    
Unutilized borrowing capacity   ¥ 12,500