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Accounts receivable, net (Tables) | 12 Months Ended
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Dec. 31, 2017
Accounts receivable, net |
| 2017 | 2016
| US$’000 | US$’000
Accounts receivable | 3,917 | 4,431
Less: Allowance for doubtful debts | (109) | (38)
| 3,808 | 4,393
Age analysis of past due account receivables |
| 2017 | 2016
| US$’000 | US$’000
Current | 1,816 | 1,789
30-59 days | 1,076 | 1,072
60-89 days | 288 | 852
Greater than or equal to 90 days | 628 | 680
| 3,808 | 4,393
ZHEJIANG TIANLAN |
Accounts receivable, net |
| 2017 | 2016
| RMB’000 | RMB’000
Accounts receivable | 222,279 | 204,166
Less: Allowance for doubtful debts | (41,761) | (39,066)
| 180,518 | 165,100
Age analysis of past due account receivables |
| 2017 | 2016
| RMB’000 | RMB’000
Within 1 year | 128,413 | 118,476
1 year – 2 years | 37,934 | 31,340
2 years – 3 years | 9,158 | 9,387
3 years – 4 years | 4,120 | 4,593
4 years – 5 years | 893 | 240
Greater than 5 years | - | 1,064
| 180,518 | 165,100
ZHEJIANG JIAHUAN |
Accounts receivable, net |
| 2017 | 2016
| RMB’000 | RMB’000
Accounts receivable, gross | 91,885 | 91,069
Less: Allowance for doubtful debts | (32) | (32)
Accounts receivable, net |  |
| 91,853 | 91,037
Age analysis of past due account receivables |
| 2017 | 2016
| RMB’000 | RMB’000
Balance at beginning and end of the year | (32) | (32)

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- Definition Tabular disclosure of financing receivables that are past due but not impaired, financing receivables that are 90 days past due and still accruing, and financing receivables on nonaccrual status. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953401-111524 + Details
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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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