Trade receivables, prepayments and other receivables - Summary of trade receivables pre payments (Parenthetical) (Details) ¥ in Thousands, $ in Thousands |
1 Months Ended | 2 Months Ended | 6 Months Ended | 12 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
May 31, 2025
USD ($)
|
Apr. 30, 2025
USD ($)
|
Jun. 30, 2023
CNY (¥)
|
Jun. 30, 2023
USD ($)
|
Jan. 31, 2025
CNY (¥)
|
Jun. 30, 2025
CNY (¥)
|
Dec. 31, 2024
USD ($)
|
Jan. 31, 2025
USD ($)
|
Dec. 31, 2024
CNY (¥)
|
Dec. 31, 2024
USD ($)
|
|
| Disclosure of Trade Receivables Pre payments and other Receivables [Abstract] | ||||||||||
| Payments to and on behalf of employees | ¥ 10,900 | $ 1,500 | ||||||||
| Interest Rate of Loans to Employees | 4.43% | 4.43% | 4.30% | |||||||
| Repayments of borrowings | $ 500 | $ 2,050 | $ 1,000 | |||||||
| Interest paid | $ 80 | $ 26 | ¥ 1,280 | |||||||
| Principal amount | ¥ 359 | $ 50 | ¥ 14,600 | $ 2,000 | ||||||