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PROFIT/(LOSS) BEFORE INCOME TAX (Details) ¥ in Thousands, $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2023 USD ($) | Jun. 30, 2023 CNY (¥) | Jun. 30, 2022 CNY (¥) | Dec. 31, 2022 USD ($) | Dec. 31, 2022 CNY (¥) | Dec. 31, 2021 CNY (¥) | Dec. 31, 2020 CNY (¥)
Profitloss Before Income Tax |  |  |  |  |  |  |  |  |  |  |  |
Finance income (Note 5) |  | $ (1,117) | ¥ (8,101) | ¥ (9,376) | $ (2,263) |  | ¥ (15,607) |  | ¥ (16,935) |  | ¥ (15,468) |
- Sales of cooper ores |  |  |  |  |  |  |  |  |  |  | 6,854 |
- Sales of water treatment equipment |  |  |  |  | 14 |  | 94 |  |  |  |  |
- Construction service |  | 334 | 2,423 | 5,107 | 1,244 |  | 8,580 |  | 12,876 |  | 6,479 |
- Operation and maintenance services |  |  | 256 |  |  |  |  |  | 162 |  | 3,177 |
- Opeartion and maintenance services |  | 35 |  |  | 842 |  | 5,811 |  | 5,067 |  | 3,878 |
- Construction services related to service concession arrangement |  | 372 | 2,697 | 3,664 |  |  |  |  | 389 |  | 18,827 |
Total |  | 741 | 5,376 | 8,771 | 2,100 |  | 14,485 |  | 18,494 |  | 39,215 |
- Property, plant and equipment |  | 14 | 106 | 141 | 44 |  | 304 |  | 510 |  | 565 |
- Right-of-use assets |  | 98 | 713 | 707 | 205 |  | 1,413 |  | 1,366 |  | 1,663 |
Amortization of intangible assets |  | 54 | 395 | 404 | 118 | [1] | 813 | [1] | 884 | [1] | 156 | [1]
Expense relating to short-term leases |  | 29 | 209 | 174 | 71 |  | 490 |  | 601 |  | 496 |
Impairment losses/(reversal) on financial assets: |  |  |  |  |  |  |  |  |  |  |  |
- Trade receivables |  | 53 | 388 | 1,936 | (578) |  | (3,989) |  | 3,840 |  | 4,544 |
- Contract assets |  | 489 | 3,546 | (41) | 25 |  | 171 |  | 357 |  | 172 |
- Other receivables |  | 942 | 6,829 | 1,077 | 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 |  | 12 | 86 | (559) | (146) |  | (1,007) |  | (7,467) |  |  |
Consultants share option expense (Note 27) |  |  |  |  | 2,342 |  | 16,152 |  |  |  |  |
Expense relating to consultant service reward (Note 27) |  |  |  |  | 2,342 |  |  |  |  |  |  |
Issuance expense related to placement |  |  |  |  |  |  |  |  | 1,579 |  |  |
Other (income)/losses |  | (89) | (642) | (731) | (131) |  | (904) |  | 183 |  | (1,616) |
Finance costs (Note 5) |  | $ 266 | ¥ 1,930 | ¥ 1,822 | 492 |  | 3,395 |  | 4,359 |  | 3,749 |
Employee benefit expenses* (Note 7) | [2] |  |  |  | 1,535 |  | 10,587 |  | 11,496 |  | 11,412 |
Intangible assets |  |  |  |  | 111 |  | 766 |  | 835 |  | 115 |
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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