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Accounts receivable, net | 12 Months Ended
--- | ---
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
The following is an aging analysis of past due account receivables as of December 31, 2017 and 2016:
| 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
The following is an aging analysis of past due account receivables as of December 31, 2017 and 2016:
| 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
At December 31, 2017, the trade receivables pledged as security for the Company’s bank loans and third party’s loans amounted to approximately RMB24,363,000 (2016: RMB25,474,000).
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
| 2017 | 2016
| RMB’000 | RMB’000
Balance at beginning and end of the year | (32) | (32)

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- Definition The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5066-111524 Reference 2: 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(4)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(6)) -URI http://asc.fasb.org/extlink&oid=6488278&loc=d3e603758-122996 Reference 4: 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)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5162-111524 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(5)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5074-111524 + Details
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