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CASH AND CASH EQUIVALENTS (Tables) | 12 Months Ended
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Dec. 31, 2023
Notes and other explanatory information [abstract] |
Schedule of cash and cash equivalents |
Schedule of cash and cash equivalents |  |  |  |  |  |  |  |  |
|  | December 31, |
|  | 2022 |  |  | 2023 |  |  | 2023 |
|  | CNY |  |  | CNY |  |  | US$ |
Cash and cash equivalents |  |  |  |  |  |  |  |  |  |  |  |
- Cash on hand |  |  | 71 |  |  |  | 2 |  |  |  | — |
- Cash at bank |  |  | 31,154 |  |  |  | 4,751 |  |  |  | 671 |
- Short-term deposits |  |  | 470 |  |  |  | — |  |  |  | — |
Total Cash and cash equivalent |  |  | 31,695 |  |  |  | 4,753 |  |  |  | 671 |
Schedule of cash and cash equivalents denominated in different currencies |
Schedule of cash and cash equivalents denominated in different currencies |  |  |  |  |  |  |  |  |
|  | December 31, |
|  | 2022 |  |  | 2023 |  |  | 2023 |
|  | CNY |  |  | CNY |  |  | US$ |
CNY |  |  | 24,709 |  |  |  | 3,673 |  |  |  | 518 |
US$ |  |  | 6,255 |  |  |  | 762 |  |  |  | 108 |
HK$ |  |  | 731 |  |  |  | 318 |  |  |  | 45 |
|  |  | 31,695 |  |  |  | 4,753 |  |  |  | 671 |

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