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INCOME TAX EXPENSE (Details 3)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2022
USD ($)
Dec. 31, 2022
CNY (¥)
Dec. 31, 2021
CNY (¥)
Notes and other explanatory information [abstract]      
As of beginning $ 1,215 ¥ 8,378 ¥ 8,378
Additions based on tax positions 91 630
As of ending $ 1,306 ¥ 9,008 ¥ 8,378