LEASES (Tables)

12 Months Ended

Dec. 31, 2023

Notes and other explanatory information [abstract]

Schedule of right-of-use assets

	Motor vehicles			Offices and warehouses			Total
		CNY			CNY			CNY
As of January 1, 2022		245			2,106			2,351
Addition		361			1,648			2,009
Depreciation charge		(181	)		(1,232	)		(1,413	)
Foreign currency translation difference		—			46			46
As of December 31, 2022		425			2,568			2,993
As of January 1, 2023		425			2,568			2,993
Addition		—			—			—
Depreciation charge		(100	)		(950	)		(1,050	)
Foreign currency translation difference		—			24			24
Disposal of PSTT		(325	)		(1,296	)		(1,621	)
As of December 31, 2023		—			346			346
As of December 31, 2023 (US$)		—			49			49

Schedule of Lease Liabilities

	Motor vehicles			Offices and warehouses			Total
		CNY			CNY			CNY
As of January 1, 2022		155			2,034			2,189
Addition		265			1,516			1,781
Accretion of interest recognized during the year		14			119			133
Payments		(112	)		(1,141	)		(1,253	)
Foreign currency translation difference		—			65			65
As of December 31, 2022		322			2,593			2,915
Analyzed into:
Current portion		48			1,269			1,317
Non-current portion		274			1,324			1,598

	Motor vehicles			Offices and warehouses			Total
		CNY			CNY			CNY
As of January 1, 2023		322			2,593			2,915
Addition		—			—			—
Accretion of interest recognized during the year		13			86			99
Payments		(60	)		(964	)		(1,024	)
Foreign currency translation difference		—			27			27
Disposal of PSTT		(275	)		(1,382	)		(1,657	)
As of December 31, 2023		—			360			360
Analyzed into:
Current portion		—			360			360
Non-current portion		—			—			—
As of December 31, 2023 (US$)		—			51			51
Current portion (US$)		—			51			51
Non-current portion (US$)		—			—			—

Schedule of lease-related expenses

	Year Ended December 31,
	2021		2022		2023		2023
	CNY		CNY		CNY		US$
Depreciation expense of right-of-use assets		1,366		1,413		1,050		148
Interest on lease liabilities		150		133		99		14
Expense relating to short-term leases		601		490		323		46
Total amounts recognized in profit or loss		2,117		2,036		1,472		208