INVESTMENT PROPERTY - Additional Information (Details) - CNY (¥)	24 Months Ended
Dec. 31, 2020	Dec. 31, 2019
INVESTMENT PROPERTY
Investment property fair value used as deemed cost	¥ 37,253,000	¥ 37,253,000
Increase decrease in impairment losses recognized in profit or loss transferred from property, plant and equipment	¥ 0

The amount of investment property, for which fair value was used as deemed cost in the opening IFRS statement of financial position. [Refer: Investment property]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 1
-IssueDate 2020-01-01
-Paragraph 30
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2020-en-r&anchor=para_30&doctype=Standard
-URIDate 2020-01-01

Name:	ifrs-full_InvestmentPropertyFairValueUsedAsDeemedCost
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant