Intangible assets, net

12 Months Ended

Dec. 31, 2018

ZHEJIANG TIANLAN

Intangible assets, net

	2018			2017
	RMB’000			RMB’000
Patents		2,400			2,400
Others		575			567
		2,975			2,967
Less: Accumulated amortization		(1,896	)		(1,744	)
		1,079			1,223

	2018		2017		2016
	RMB’000		RMB’000		RMB’000
Amortization expense		152		152		575

The useful lives of intangible assets, net of the Group are normally 10-20 years. The following table represents the total estimated amortization of intangible assets, net for the five succeeding fiscal years to December 31, 2018:

For the Twelve Months Ending December 31,	Estimated Amortization Expenses
	RMB’000
2019		152
2020		152
2021		152
2022		152
2023		152
Thereafter		319
		1,079