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NOTES TO THE CONSOLIDATED STATEMENTS OF CASH FLOWS (Details 1)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2024
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Notes and other explanatory information [abstract]      
Within operating activities ¥ 323
Within financing activities (51) 366 1,024
Total cash outflow for leases $ (51) ¥ (366) ¥ (1,347)