Inventories (Tables)

12 Months Ended

Dec. 31, 2021

Classes Of Inventories [Abstract]

Summary of Inventories

	As of December 31,
	2021		2020
	US$’000		US$’000
Raw materials and supplies		23,928		23,490
Work in progress		24,791		17,992
Finished goods		80,078		54,889
Total inventories at the lower of cost and net    realizable value		128,797		96,371