Income and Expenses Items (Tables)

12 Months Ended

Dec. 31, 2018

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Summary of Other Operating Income

7(a)Other operating income

	For the year ended December 31,
	2018		2017		2016
	US$’000		US$’000		US$’000
Gain on disposal of property, plant, and equipment		93		99		100
Gain on disposal of investment property		—		—		4,466
Reversal of allowance for related parties		—		—		1
Gain on disposal of assets classified as held for sale		—		4,525		—
Reversal of allowance for foreseeable loss		507		—		—
Gain on sales of scrap copper		—		—		569
Other operating income – others		205		460		305
Total other operating income		805		5,084		5,441

Summary of Other Operating Expenses

7(b)Other operating expenses

	For the year ended December 31,
	2018		2017		2016
	US$’000		US$’000		US$’000
Allowance for trade receivables for related parties		1		27		—
Allowance for trade receivables		570		302		279
Allowance for other receivable		53		—		191
Allowance for foreseeable loss		—		276		236
Impairment of property, plant, and equipment		11		223		2,524
Loss on disposal of assets classified as held for sale		—		—		11
Other operating expenses – others		810		81		145
Total other operating expenses		1,445		909		3,386

Summary of Finance Costs and Finance Income

7(c)Finance costs

	For the year ended December 31,
	2018		2017		2016
	US$’000		US$’000		US$’000
Interest on debts and borrowings		1,196		962		958
Finance charges payable under finance leases		4		4		4
Total interest expenses		1,200		966		962
Banking charges		178		255		185
Total finance costs		1,378		1,221		1,147

7(d)Finance income

	For the year ended December 31,
	2018		2017		2016
	US$’000		US$’000		US$’000
Interest income		482		876		1,045
Total finance income		482		876		1,045

Summary of Other Income and Other Expenses

7(e)Other income

	For the year ended December 31,
	2018		2017		2016
	US$’000		US$’000		US$’000
Other income		1,712		114		—
Dividend income		105		100		96
Net gain on financial instruments		—		—		171
Total other income		1,817		214		267

7(f)Other expenses

	For the year ended December 31,
	2018		2017		2016
	US$’000		US$’000		US$’000
Others		9		4		94
Net loss on financial instruments		2		332		—
Total other expenses		11		336		94

Summary of Depreciation, Amortization and Lease Expense Included in Consolidated Income Statements

7(g)Depreciation, amortization and lease expense included in the consolidated income statements

	For the year ended December 31,
	2018		2017		2016
	US$’000		US$’000		US$’000
Included in cost of sales:
Depreciation – tangible assets		4,162		4,148		4,633
Amortization – intangible assets		9		9		7
Operating lease expenses		16		15		—
Included in selling expenses:
Depreciation – tangible assets		141		132		178
Amortization – intangible assets		1		—		—
Operating lease expenses		184		193		—
Included in general and administrative expenses:
Depreciation – tangible assets		598		657		616
Amortization – intangible assets		34		40		39
Amortization – prepaid land lease payment		38		35		57
Depreciation – investment property		35		35		24
Operating lease expenses		200		201		823
		5,418		5,465		6,377

Summary of Employee Benefits Expenses

7(h)Employee benefits expenses

	For the year ended December 31,
	2018		2017		2016
	US$’000		US$’000		US$’000
Included in cost of sales:
Wages and salaries		13,674		13,474		13,047
Labor and health insurance costs		162		168		146
Pension costs		890		869		854
Other employment benefits		892		817		623
Included in selling expenses:
Wages and salaries		3,685		3,641		3,604
Labor and health insurance costs		14		14		13
Pension costs		324		325		327
Other employment benefits		68		64		52
Included in general and administrative expenses:
Wages and salaries		8,818		8,364		7,696
Labor and health insurance costs		224		219		215
Pension costs		671		656		646
Director fees		1,046		1,119		937
Other employment benefits		325		342		414
Total employee benefits expenses		30,793		30,072		28,574