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Other Income and Expenses Recognized in Statement of Profit and Loss - Summary of Other Operating Expenses (Detail) ¥ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2017 CNY (¥) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 CNY (¥) | Dec. 31, 2015 CNY (¥)
Profit or loss [Abstract] |  |  |  |
Loss on disposal of property, plant and equipment |  |  | ¥ 14,020 | ¥ 14,874
Loss on disposal of subsidiary |  |  |  | 13,647
Loss on dilution of equity interest in joint venture |  |  |  | 2,848
Foreign exchange loss, net |  |  | 4,006 | 45,354
Fair value loss on held for trading investment |  |  | 243 | 10,871
Fair value loss on foreign exchange forward contract |  |  | 140 |
Goodwill written off |  |  | 1,131 |
Others | ¥ 22,719 | $ 3,589 | 3,059 |
Other operating expenses | ¥ 22,719 | $ 3,589 | ¥ 22,599 | ¥ 87,594

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- Definition Loss on change in fair value of foreign exchange forward contract. + References No definition available. + Details
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- Definition Loss on dilution of equity interest in joint venture. + References No definition available. + Details
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- Definition The amount of impairment loss recognised in profit or loss for goodwill. [Refer: Impairment loss recognised in profit or loss; Goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2016-01-13 -Paragraph B67 -Subparagraph d -Clause v -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=3&date=2016-03-30&anchor=para_B67_d_v&doctype=Appendix&seq=2 -URIDate 2016-03-31 + Details
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- Definition The losses on the disposal of property, plant and equipment. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2016-01-13 -Paragraph 98 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2016-03-30&anchor=para_98_c&doctype=Standard -URIDate 2016-03-31 + Details
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