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Inventories | 12 Months Ended
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Dec. 31, 2018
Classes Of Inventories [Abstract] |
Inventories |
13. | INVENTORIES
|  | As of December 31, |
|  | 2018 |  |  | 2017 |
|  | US$’000 |  |  | US$’000 |
Raw materials and supplies |  |  | 25,717 |  |  |  | 32,278 |
Work in progress |  |  | 15,598 |  |  |  | 14,240 |
Finished goods |  |  | 46,592 |  |  |  | 53,051 |
|  |  | 87,907 |  |  |  | 99,569 |
Allowance for inventories |  |  | (3,982 | ) |  |  | (2,364 | )
Total inventories at the lower of cost and net realizable value |  |  | 83,925 |  |  |  | 97,205 |
Inventories recognized as an expense during the year ended December 31, 2018, December 31, 2017 and December 31, 2016 amounted to $388,079, $384,995 and $356,263 respectively. For the year ended December 31, 2018 and 2017, the Company recognized allowance for inventory of $1,613 and $532 as an expense in cost of sales for inventories carried at net realizable value. For the year ended December 31, 2016, the amount of $3,306 was credited to cost of sales when the circumstances, such as copper price fluctuation, that caused the net realizable value of inventory to be lower than its cost no longer existed.

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- Definition The entire disclosure for inventories. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 2 -IssueDate 2018-01-01 -Section Disclosure -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=2&date=2018-03-01&anchor=sect_Disclosure&doctype=Standard -URIDate 2018-03-16 + Details
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