Intangible assets, net (Tables) - ZHEJIANG TIANLAN

12 Months Ended

Dec. 31, 2021

Intangible assets, net

	December 31,
	2021			2020
	RMB’000			RMB’000
Amortizable intangible assets
Gross carrying amount
Patents		3,750			3,750
Others		165			165
		3,915			3,915
Less: Accumulated amortization		(2,050	)		(1,795	)
Net carrying amount		1,865			2,120

Amortization expense

	Year ended December 31,
	2021		2020		2019
	RMB’000		RMB’000		RMB’000
Amortization expense		255		142		152

	Future amortization expense
	RMB’000
2022		255
2023		255
2024		255
2025		255
2026		255
Thereafter		590
Total		1,865

	Future amortization expense
	RMB’000
2021		142
2022		142
2023		142
2024		142
2025		142
Thereafter		1,410
Total		2,120