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Prepaid expenses and other receivable (Details) - CNY (¥)
¥ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Prepaid expenses and other receivable    
Prepaid expense due from third party ¥ 7,338 ¥ 7,207
Other receivable amount due from directors 1,593 4,709
Prepaid expenses and other receivables ¥ 8,931 ¥ 11,916