The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

CASH AND BANK BALANCES - Cash and bank balances are denominated in currencies (Details) - CNY (¥) ¥ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Disclosure Of CASH AND BANK BALANCES [Line Items]
Cash and cash equivalents	¥ 27,880	¥ 12,344	¥ 8,212	¥ 9,016
Renminbi
Disclosure Of CASH AND BANK BALANCES [Line Items]
Cash and cash equivalents	4,594	1,067
Hong Kong dollars
Disclosure Of CASH AND BANK BALANCES [Line Items]
Cash and cash equivalents	74	77
US dollars
Disclosure Of CASH AND BANK BALANCES [Line Items]
Cash and cash equivalents	¥ 23,212	¥ 11,200