RELATED PARTY BALANCES AND TRANSACTIONS (Schedule of Compensation of Key Management Personnel of Group) (Details) ¥ in Thousands, $ in Thousands	6 Months Ended
Jun. 30, 2021 USD ($)	Jun. 30, 2021 CNY (¥)	Jun. 30, 2020 CNY (¥)
Related party transactions [abstract]
Wages, salaries and allowances	$ 44	¥ 284	¥ 463
Housing subsidies	1	8	9
Contribution to pension plans	5	33	45
Total Compensation of key management personnel	$ 50	¥ 325	¥ 517

The amount of housing subsidies to key management personnel in the form of employment benefits.

No definition available.

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Period Type:	duration

- Definition

The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2021-01-01
-Paragraph 17
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-URIDate 2021-03-24

+ Details

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- Definition

The amount of compensation to key management personnel in the form of post-employment benefits. [Refer: Key management personnel of entity or parent [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2021-01-01
-Paragraph 17
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_17_b&doctype=Standard
-URIDate 2021-03-24

+ Details

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Balance Type:	debit
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- Definition

The amount of compensation to key management personnel in the form of short-term employee benefits. [Refer: Key management personnel of entity or parent [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2021-01-01
-Paragraph 17
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_17_a&doctype=Standard
-URIDate 2021-03-24

+ Details

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Balance Type:	debit
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- References

No definition available.

+ Details

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