Property, plant and equipment, net (Tables)

12 Months Ended

Dec. 31, 2021

Property, plant and equipment

	December 31,
	2021			2020
	US$’000			US$’000
Office premises*		673			673
Leasehold improvements		125			157
Furniture, fixtures and office equipment		439			557
Motor vehicles		175			175
Testing equipment		37			37
		1,449			1,599
Less: Accumulated depreciation		(1,234	)		(1,340	)
		215			259

Depreciation charge

	Year ended December 31,
	2021		2020		2019
	US$’000		US$’000		US$’000
Depreciation charge		38		49		69

ZHEJIANG TIANLAN

Property, plant and equipment

	December 31,
	2021			2020
	RMB’000			RMB’000
Building and leasehold improvements		167,874			167,874
Furniture, fixtures and office equipment		3,694			3,658
Motor vehicles		4,647			4,808
Plant and machineries		10,097			9,399
Total		186,312			185,739
Less: Accumulated depreciation and amortization		(76,008	)		(70,241	)
Accumulated impairment losses		(36,241	)		(36,241	)
Total		(112,249	)		(106,482	)
Net		74,063			79,257

Depreciation charge

	Year ended December 31,
	2021		2020		2019
	RMB’000		RMB’000		RMB’000
Depreciation charge		6,466		6,359		6,556