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PROPERTY, PLANT AND EQUIPMENT, NET (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
PROPERTY, PLANT AND EQUIPMENT, NET |
Schedule of property, plant and equipment, net | ​
​ | ​ | ​ | ​ | ​
​ | ​ | At December 31, | ​ | At December 31,
​ |  | 2020 |  | 2021
​ | ​ | $ | ​ | $
Buildings |  | 533,647 |  | 724,940
Leasehold improvements |  | 14,804 |  | 32,995
Machinery |  | 1,191,780 |  | 1,477,638
Furniture, fixtures and equipment |  | 75,656 |  | 86,616
Motor vehicles |  | 7,643 |  | 9,833
Land | ​ | 20,231 | ​ | 31,691
​ |  | 1,843,761 |  | 2,363,713
Accumulated depreciation |  | (827,601) |  | (1,019,988)
Impairment | ​ | (52,149) |  | (42,828)
Subtotal |  | 964,011 |  | 1,300,897
Construction in process |  | 193,720 |  | 100,980
Property, plant and equipment, net |  | 1,157,731 |  | 1,401,877

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- Definition Tabular disclosure of the components of property, plant and equipment. + References No definition available. + Details
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- References No definition available. + Details
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