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PROPERTY, PLANT AND EQUIPMENT, NET
12 Months Ended
Dec. 31, 2022
PROPERTY, PLANT AND EQUIPMENT, NET.  
PROPERTY, PLANT AND EQUIPMENT, NET

5. PROPERTY, PLANT AND EQUIPMENT, NET

Property, plant and equipment, net, consist of the following:

December 31, 

    

2021

    

2022

Cost

Buildings and plant

$

468,309

$

555,712

Machinery and equipment

 

910,070

 

1,094,834

Furniture, fixtures and equipment

 

59,549

 

79,593

Motor vehicles

 

1,176

 

2,140

Less: Accumulated depreciation

 

466,549

 

405,412

Property, plant and equipment, net

$

972,555

$

1,326,867

Construction in process

 

586,555

 

1,278,328

Total

$

1,559,110

$

2,605,195

Depreciation expense was $68.7 million, $77.4 million and $107.1 million for the years ended December 31, 2020, 2021 and 2022, respectively.