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v3.24.1

TRADE PAYABLES (Details) ¥ in Thousands, $ in Thousands | Dec. 31, 2022 USD ($) | Dec. 31, 2022 CNY (¥) | Dec. 31, 2021 CNY (¥)
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Notes and other explanatory information [abstract] |  |  |
Trade payables | $ 2,946 | ¥ 20,326 | ¥ 21,118

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