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REVENUE FROM CONTRACTS WITH CUSTOMERS (Details Narrative) ¥ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2022 USD ($) | Dec. 31, 2022 CNY (¥) | Dec. 31, 2021 CNY (¥) | Dec. 31, 2020 CNY (¥)
Revenue From Contract With Customers |  |  |  |
Percentage of revenue | 4.75% | 4.75% |  |
Revenue considerations | $ 59 | ¥ 408 | ¥ 1,631 | ¥ 991

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