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PROPERTY, PLANT AND EQUIPMENT, NET (Tables)

12 Months Ended

Dec. 31, 2019

PROPERTY, PLANT AND EQUIPMENT, NET

Schedule of property, plant and equipment, net

​

​	​	​	​	​
​	​	At December 31,	​	At December 31,
​		2018		2019
​	​	$	​	$
Buildings		441,975		453,712
Leasehold improvements		13,058		14,225
Machinery		785,874		1,074,460
Furniture, fixtures and equipment		64,135		64,117
Motor vehicles		6,100		6,351
Land	​	18,810	​	20,451
​		1,329,952		1,633,316
Accumulated depreciation		(489,927)		(598,297)
Impairment	​	(30,503)		(45,437)
Subtotal		809,522		989,582
Construction in process		75,464		56,453
Property, plant and equipment, net		884,986		1,046,035

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Tabular disclosure of the components of property, plant and equipment.

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