Accounts receivable, net (Tables)

12 Months Ended

Dec. 31, 2019

Accounts receivable, net

	2019			2018
	US$’000			US$’000
Contract receivables		3,622			5,201
Less: allowance for doubtful accounts		(36	)		(112	)
		3,586			5,089

Allowance for doubtful accounts activity

	2019			2018
	US$’000			US$’000
Balance at beginning of period		112			109
(Less) / add: (reversal in) / provision for allowances		(76	)		3
Balance at end of period		36			112

Age analysis of past due account receivables

	2019		2018
	US$’000		US$’000
Current		1,495		4,485
Past due
1-30 days		41		200
31-60 days		1,343		38
61-90 days		99		17
Greater than or equal to 91 days		608		349
		2,091		604
		3,586		5,089

ZHEJIANG TIANLAN

Accounts receivable, net

	2019			2018
	RMB’000			RMB’000
Contract receivables		165,262			177,632
Less: allowance for doubtful accounts		(26,484	)		(24,047	)
		138,778			153,585

Allowance for doubtful accounts activity

	2019		2018
	RMB’000		RMB’000
Balance at beginning of period		24,047		41,761
Add/(less): provision for/(reduction in) allowances		2,437		(17,714	)
Balance at end of period		26,484		24,047

Age analysis of past due account receivables

	2019		2018
	RMB’000		RMB’000
Within 1 year		96,456		119,233
1 year - 2 years		30,252		21,182
2 years - 3 years		6,260		9,492
3 years - 4 years		5,179		3,225
4 years - 5 years		631		453
		138,778		153,585