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SEGMENT INFORMATION (Details Narrative) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) | Dec. 31, 2022 CNY (¥) | Dec. 31, 2021 CNY (¥) | Dec. 31, 2020 CNY (¥)
Wastewater Treatment [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Revenue from continuing operations | $ 799 | ¥ 5,512 | ¥ 6,439 | ¥ 24,405
Wastewater Treatment 1 [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Revenue from continuing operations | $ 557 | ¥ 3,842 | ¥ 5,915 | ¥ 6,867

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