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PROPERTY, PLANT AND EQUIPMENT, NET (Tables)

12 Months Ended

Dec. 31, 2020

PROPERTY, PLANT AND EQUIPMENT, NET

Schedule of property, plant and equipment, net

​

​	​	​	​	​
​	​	At December 31,	​	At December 31,
​		2019		2020
​	​	$	​	$
Buildings		453,712		533,647
Leasehold improvements		14,225		14,804
Machinery		1,074,460		1,191,780
Furniture, fixtures and equipment		64,117		75,656
Motor vehicles		6,351		7,643
Land	​	20,451	​	20,231
​		1,633,316		1,843,761
Accumulated depreciation		(598,297)		(827,601)
Impairment	​	(45,437)		(52,149)
Subtotal		989,582		964,011
Construction in process		56,453		193,720
Property, plant and equipment, net		1,046,035		1,157,731

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

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