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PROFIT/(LOSS) BEFORE INCOME TAX (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 USD ($) | Dec. 31, 2022 CNY (¥) | Dec. 31, 2021 CNY (¥) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2022 CNY (¥)
Profitloss Before Income Tax |  |  |  |  |  |
Finance income (Note 5) | ¥ |  |  | ¥ (15,607) | ¥ (16,935) | ¥ (15,468) |
Finance income (Note 5) | $ |  | $ (2,263) |  |  |  |
- Sales of cooper ores |  |  |  |  | 6,854 |
- Sales of water treatment equipment |  | 14 | 94 |  |  |
- Construction service |  | 1,244 | 8,580 | 12,876 | 6,479 |
- Opeartion and maintenance services |  |  |  | 162 | 3,177 |
- Operation services related to service concession arrangement |  | 842 | 5,811 | 5,067 | 3,878 |
- Construction services related to service concession arrangement |  |  |  | 389 | 18,827 |
Cost of sales |  | 2,100 | 14,485 | 18,494 | 39,215 |
- Property, plant and equipment (Note 11) |  | 44 | 304 | 510 | 565 |
- Right-of-use assets (Note 13) |  | 205 | 1,413 | 1,366 | 1,663 |
Amortization of intangible assets* (Note 12) | [1] | 118 | 813 | 884 | 156 |
Expense relating to short-term leases (Note 13) |  | 71 | 490 | 601 | 496 |
Impairment losses/(reversal) on financial assets: |  |  |  |  |  |
- Trade receivables |  | (578) | (3,989) | 3,840 | 4,544 |
- Contract assets |  | 25 | 171 | 357 | 172 |
- Other receivables |  | 397 | 2,745 | 239 |  |
- Amount due from related companies |  |  |  | (1,106) | (554) |
- Financial assets at fair value through profit or loss | ¥ |  |  |  | 45,816 | (31,334) |
- Financial assets at fair value through profit or loss | $ |  |  |  |  |  |
- Derivative financial liabilities (Note 22 (b)) |  | (146) | (1,007) | (7,467) |  |
Consultants share option expense (Note 27) | ¥ |  |  | 16,152 |  |  |
Expense relating to consultant service reward (Note 27) | $ |  | 2,342 |  |  |  |
Issuance expense related to placement |  |  |  | 1,579 |  |
Other (income)/losses |  | (131) | (904) | 183 | (1,616) |
Finance costs (Note 5) |  | 492 | 3,395 | 4,359 | 3,749 |
Employee benefit expenses* (Note 7) | [2] | 1,535 | 10,587 | 11,496 | 11,412 |
Intangible assets |  | 111 |  | 835 | 115 | ¥ 766
Administrative expenses |  | 7 | 47 | 49 | 41 |
Employee benefit expenses |  | 206 | 1,418 | 2,772 | 3,371 |
Selling and distribution expenses |  | 16 | 111 | 159 | 238 |
Profit or loss |  | $ 1,313 | ¥ 9,058 | ¥ 8,565 | ¥ 7,803 |
[1] | The amortization of intangible assets allocated to cost of sales amounted to CNY115, CNY835 and CNY766 (US$111) and administrative expenses amounted to CNY41, CNY49 and CNY47 (US$7) on the face of the consolidated statements of profit or loss for the years ended December 31, 2020, 2021 and 2022.
[2] | The employee benefit expenses allocated to cost of sales amounted to CNY3,371, CNY2,772 and CNY1,418 (US$206), selling and distribution expenses amounted to CNY238, CNY159, CNY111 (US$16) and administrative expenses amounted to CNY7,803, CNY8,565 and CNY9,058 (US$1,313) on the face of the consolidated statements of profit or loss for the years ended December 31, 2020, 2021 and 2022.

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