Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Schedule of Estimated Useful Lives of Assets

Depreciation of property, plant and equipment is computed using the straight-line method based on the estimated useful lives of the assets as follows:

Plant and buildings	10 to 24 years
Machinery and equipment	8 to 10 years
Motor vehicles	4 to 5 years
Office equipment and furniture	3 to 5 years
Leasehold improvements	Lesser of useful lives and term of lease