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LOSS BEFORE INCOME TAX (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 USD ($) | Dec. 31, 2024 CNY (¥) | Dec. 31, 2023 CNY (¥) | Dec. 31, 2022 CNY (¥)
Crediting: |  |  |  |  |
Expenses related to issuance of shares |  | $ 186 | ¥ 1,354 |  |
Consultants share option expense |  | (17) | (125) | (3,074) | (16,152)
Finance costs |  | (4) | (28) | (48) | 191
Continuing Operation [Member] |  |  |  |  |
Crediting: |  |  |  |  |
Finance income |  | (9) | (69) | (5) | (13)
- Property, plant and equipment (Note 9) |  | 1 | 4 | 5 | 29
- Right-of-use assets (Note 11) |  | 47 | 346 | 691 | 700
Expense relating to short-term leases (Note 11) |  | 51 | 371 | 194 | 353
- Financial assets at fair value through profit or loss |  |  |  |  |
- Derivative financial liabilities |  | (548) | (3,996) | (847) | (1,007)
Expenses related to issuance of shares |  | 186 | 1,354 |  |
Expenses related to share-based payment |  | 17 | 125 | 3,074 |
Consultants share option expense |  |  |  |  | 16,152
Other losses / (income) |  | (1) | (2) | (3,742) | (699)
Finance costs |  | (4) | (28) | 48 | (191)
Employee benefit expenses | [1] | 172 | 1,251 | 1,192 | 1,171
Discontinued operations [member] |  |  |  |  |
Crediting: |  |  |  |  |
Finance income |  |  |  | (8,785) | (15,594)
- Property, plant and equipment (Note 9) |  |  |  | 95 | 275
- Right-of-use assets (Note 11) |  |  |  | 359 | 713
Expense relating to short-term leases (Note 11) |  |  |  | 129 | 137
Other losses / (income) |  |  |  | 142 | (205)
Finance costs |  |  |  | 1,906 | 3,586
Employee benefit expenses | [1] |  |  | 4,960 | 9,416
Cost of sales |  |  |  |  |
- Sales of water treatment equipment |  |  |  |  | 94
- Construction service |  |  |  | 2,435 | 8,580
- Opeartion and maintenance services |  |  |  | 307 |
- Operation services related to service concession arrangement |  |  |  | 3,130 | 5,811
- Construction services related to service concession arrangement |  |  |  |  |
- Construction services related to service concession arrangement |  |  |  | 5,872 | 14,485
Amortization of intangible assets* (Note 10) | [2] |  |  | 460 | 813
Impairment losses/(reversal) on financial assets: |  |  |  |  |
- Trade receivables |  |  |  | 383 | (3,989)
- Contract assets |  |  |  | 3,545 | 171
- Other receivables |  |  |  | 6,003 | 2,745
- Amount due from related companies |  |  |  |  |
[1] | The employee benefit expenses allocated to cost of sales amounted to CNY1,418, CNY870 and CNYnil (US$nil), selling and distribution expenses amounted to CNY111, CNY70, CNYnil (US$nil) and administrative expenses amounted to CNY9,058, CNY5,212 and CNYnil (US$nil) on the consolidated statements of profit or loss for the years ended December 31, 2022, 2023 and 2024.
[2] | The amortization of intangible assets allocated to cost of sales amounted to CNY730, CNY425 and CNYnil (US$nil) and administrative expenses amounted to CNY83, CNY35 and CNYnil (US$nil) on the consolidated statements of profit or loss for the years ended December 31, 2022, 2023 and 2024.

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