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Accounts receivable, net

12 Months Ended

Dec. 31, 2019

Accounts receivable, net consisted of the following at December 31:

	2019			2018
	US$’000			US$’000

Contract receivables		3,622			5,201
Less: allowance for doubtful accounts		(36	)		(112	)
		3,586			5,089

The roll-forward of activity in the allowance for doubtful accounts was as follows for the years ended December 31:

	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

The following is an aging analysis of accounts receivable, net at December 31:

	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

Accounts receivable, net consisted of the following at December 31:

	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

The roll-forward of activity in the allowance for doubtful accounts was as follows for the years ended December 31:

	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

The following is an aging analysis of accounts receivable, net at December 31:

	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

At December 31, 2019, the accounts receivable, net pledged as security for the Company’s bank loans and third party loans amounted to approximately RMB11,575,000 (2018: RMB21,634,000).