CASH AND CASH EQUIVALENTS

6 Months Ended

12 Months Ended

Jun. 30, 2023

Dec. 31, 2022

Notes and other explanatory information [abstract]

CASH AND CASH EQUIVALENTS

14. CASH AND CASH EQUIVALENTS

Cash and cash equivalents are set out below as of December 31, 2022 and June 30, 2023:

	December 31,		June 30,
	2022		2023		2023
	CNY		CNY		US$
	(Audited)		(Unaudited)		(Unaudited)
Cash and cash equivalents
- Cash on hand		71		5		1
- Cash at bank		31,154		32,204		4,439
- Short-term deposits		470		—		—
		31,695		32,209		4,440

The carrying amounts of the Group’s cash and cash equivalents are denominated in the following currencies:

	December 31,		June 30,
	2022		2023		2023
	CNY		CNY		US$
	(Audited)		(Unaudited)		(Unaudited)
CNY		24,709		27,398		3,777
US$		6,255		4,426		610
HK$		731		385		53
		31,695		32,209		4,440

Cash at banks earns interest at floating rates based on daily bank deposit rates. The bank balances and time deposits are deposited with creditworthy banks with no recent history of default.

17. CASH AND CASH EQUIVALENTS

Cash and cash equivalents are set out below as of December 31, 2021 and 2022:

	December 31,
	2021		2022		2022
	CNY		CNY		US$
Cash and cash equivalents
- Cash on hand		74		71		10
- Cash at bank		58,285		31,154		4,514
- Short-term deposits		—		470		71
Total Cash and cash equivalent		58,359		31,695		4,595

The carrying amounts of the Group’s cash and cash equivalents are denominated in the following currencies:

	December 31,
	2021		2022		2022
	CNY		CNY		US$
CNY		37,333		24,709		3,582
US$		20,011		6,255		907
HK$		1,015		731		106
		58,359		31,695		4,595

Cash at banks earns interest at floating rates based on daily bank deposit rates. The bank balances and time deposits are deposited with creditworthy banks with no recent history of default.

As of December 31, 2022, the Group has pledged its short-term deposits to fulfil collateral requirements of a bank guarantee related to a new bidding associated with a potential business opportunity of construction projects.