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CASH AND CASH EQUIVALENTS (Tables) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2023 | Dec. 31, 2022
Notes and other explanatory information [abstract] |  |
Schedule of cash and cash equivalents |
Schedule of cash and cash equivalents |  |  |  |  |  |  |  |  |  |  |  |
|  | December 31, |  |  | June 30, |
|  | 2022 |  |  | 2023 |  |  | 2023 |
|  | CNY |  |  | CNY |  |  | US$ |
|  | (Audited) |  |  | (Unaudited) |  |  | (Unaudited) |
Cash and cash equivalents |  |  |  |  |  |  |  |  |  |  |  |
- Cash on hand |  |  | 71 |  |  |  | 5 |  |  |  | 1 |
- Cash at bank |  |  | 31,154 |  |  |  | 32,204 |  |  |  | 4,439 |
- Short-term deposits |  |  | 470 |  |  |  | — |  |  |  | — |
Total Cash and cash equivalent |  |  | 31,695 |  |  |  | 32,209 |  |  |  | 4,440 |
Schedule of cash and cash equivalents |  |  |  |  |  |  |  |  |  |  |  |
|  | December 31, |
|  | 2021 |  |  | 2022 |  |  | 2022 |
|  | CNY |  |  | CNY |  |  | US$ |
Cash and cash equivalents |  |  |  |  |  |  |  |  |  |  |  |
- Cash on hand |  |  | 74 |  |  |  | 71 |  |  |  | 10 |
- Cash at bank |  |  | 58,285 |  |  |  | 31,154 |  |  |  | 4,514 |
- Short-term deposits |  |  | — |  |  |  | 470 |  |  |  | 71 |
Total Cash and cash equivalent |  |  | 58,359 |  |  |  | 31,695 |  |  |  | 4,595 |
Schedule of group’s cash and cash equivalents |
Schedule of group’s cash and cash equivalents |  |  |  |  |  |  |  |  |  |  |  |  |
|  |  | December 31, |  |  | June 30, |
|  |  | 2022 |  |  | 2023 |  |  | 2023 |
|  |  | CNY |  |  | CNY |  |  | US$ |
|  |  | (Audited) |  |  | (Unaudited) |  |  | (Unaudited) |
CNY |  |  |  | 24,709 |  |  |  | 27,398 |  |  |  | 3,777 |
US$ |  |  |  | 6,255 |  |  |  | 4,426 |  |  |  | 610 |
HK$ |  |  |  | 731 |  |  |  | 385 |  |  |  | 53 |
|  |  |  | 31,695 |  |  |  | 32,209 |  |  |  | 4,440 |
Schedule of group’s cash and cash equivalents |  |  |  |  |  |  |  |  |  |
|  |  | December 31, |
|  |  | 2021 |  |  | 2022 |  |  | 2022 |
|  |  | CNY |  |  | CNY |  |  | US$ |
| CNY |  |  |  | 37,333 |  |  |  | 24,709 |  |  |  | 3,582 |
| US$ |  |  |  | 20,011 |  |  |  | 6,255 |  |  |  | 907 |
| HK$ |  |  |  | 1,015 |  |  |  | 731 |  |  |  | 106 |
|  |  |  |  | 58,359 |  |  |  | 31,695 |  |  |  | 4,595 |

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