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TRADE RECEIVABLES (Details 3) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) | Dec. 31, 2022 CNY (¥) | Dec. 31, 2021 CNY (¥)
IfrsStatementLineItems [Line Items] |  |  |  |  |
Expected credit loss rate | 19.00% | 19.00% |  | 26.00% |
Gross carrying amount |  | ¥ 70,905 |  | ¥ 68,641 |
Impairment allowances | $ 1,976 | ¥ 13,625 |  | ¥ 17,614 |
Within 1 year [Member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Expected credit loss rate | 0.00% | 0.00% |  | 6.00% |
Gross carrying amount |  | ¥ 18,406 |  | ¥ 16,311 |
Impairment allowances | $ 1 | ¥ 5 |  | ¥ 955 |
1-2 years [Member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Expected credit loss rate | 9.00% | 9.00% |  | 26.00% |
Gross carrying amount |  | ¥ 15,195 |  | ¥ 6,865 |
Impairment allowances | $ 188 | ¥ 1,299 |  | ¥ 1,759 |
2-3 years [Member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Expected credit loss rate | 29.00% | 29.00% |  | 13.00% |
Gross carrying amount |  | ¥ 6,399 |  | ¥ 14,712 |
Impairment allowances | $ 273 | ¥ 1,881 |  | ¥ 1,916 | [1]
Over 3 years [Member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Expected credit loss rate | 34.00% | 34.00% |  | 48.00% |
Gross carrying amount |  | ¥ 30,905 |  | ¥ 27,083 |
Impairment allowances | $ 1,514 | 10,440 | [2] | 12,984 | [2]
Current [member] |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |
Gross carrying amount |  |  |  | ¥ 3,670 |
[1] | The impairment allowances included CNY221 as of December 31, 2021, for specific trade receivables which were considered to be in default due to conditions which indicated that the Group was unlikely to receive the outstanding contractual amounts in full.
[2] | The impairment allowances included an amount of CNY4,646 and CNY4,600 (US$667) as of December 31, 2021 and 2022, respectively, for specific trade receivables which were considered to be in default due to conditions which indicated that the Group was unlikely to receive the outstanding contractual amounts in full.

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