Accounts receivable, net (Tables)

12 Months Ended

Dec. 31, 2020

Accounts receivable, net

	2020			2019
	US$’000			US$’000
Contract receivables		3,229			3,622
Less: allowance for doubtful accounts		(30	)		(36	)
		3,199			3,586

Allowance for doubtful accounts activity

	2020			2019
	US$’000			US$’000
Balance at beginning of period		36			112
Less : reversal in allowances		(6	)		(76	)
Balance at end of period		30			36

Age analysis of past due account receivables

	2020		2019
	US$’000		US$’000
Current		2,014		1,495
Past due
1-30 days		85		41
31-60 days		202		1,343
61-90 days		41		99
Greater than or equal to 91 days		857		608
		1,185		2,091
		3,199		3,586

ZHEJIANG TIANLAN

Accounts receivable, net

	2020			2019
	RMB’000			RMB’000
Contract receivables		160,803			165,262
Less: allowance for doubtful accounts		(42,182	)		(26,484	)
		118,621			138,778

Allowance for doubtful accounts activity

	2020			2019
	RMB’000			RMB’000
Balance at beginning of period		26,484			24,047
Add: provision for allowances		22,161			2,437
Less: Reversal of provision for allowances		(6,463	)		-
Balance at end of period		42,182			26,484

Age analysis of past due account receivables

	2020		2019
	RMB’000		RMB’000
Within 1 year		76,590		96,456
1 year - 2 years		31,389		30,252
2 years - 3 years		6,128		6,260
3 years - 4 years		3,678		5,179
4 years - 5 years		836		631
		118,621		138,778