PROPERTY, PLANT AND EQUIPMENT

12 Months Ended

Dec. 31, 2023

Notes and other explanatory information [abstract]

PROPERTY, PLANT AND EQUIPMENT

9. PROPERTY, PLANT AND EQUIPMENT

	Buildings			Machinery and equipment			Motor vehicle			Office and other equipment			Total
		CNY			CNY			CNY			CNY			CNY
Cost
As of January 1, 2022		46			1,177			2,486			728			4,437
Additions		—			8			—			9			17
Disposal		—			—			(16	)		(93	)		(109	)
As of December 31, 2022		46			1,185			2,470			644			4,345
Accumulated depreciation
As of January 1, 2022		(12	)		(1,122	)		(2,014	)		(574	)		(3,722	)
Depreciation charge		(3	)		(22	)		(259	)		(20	)		(304	)
Disposal		—			—			15			90			105
		(15	)		(1,144	)		(2,258	)		(504	)		(3,921	)
Net book value
As of January 1, 2022		34			55			472			154			715
As of December 31, 2022		31			41			212			140			424
Cost
As of January 1, 2023		46			1,185			2,470			644			4,345
Additions		—			11			—			—			11
Disposal of PSTT		—			(100	)		(1,869	)		(738	)		(2,707	)
As of December 31, 2023		46			1,096			601			(94	)		1,649
Accumulated depreciation
As of January 1, 2023		(15	)		(1,144	)		(2,258	)		(504	)		(3,921	)
Depreciation charge		(3	)		(30	)		(60	)		(7	)		(100	)
Disposal of PSTT		—			91			1,735			599			2,425
		(18	)		(1,083	)		(583	)		88			(1,596	)
Net book value
As of December 31, 2023		28			13			18			(6	)		53
As of December 31, 2023 (US$)		4			2			2			(1	)		7

There was no impairment loss on property, plant and equipment for the years ended December 31, 2021, 2022 and 2023.