INVENTORIES (Tables)

12 Months Ended

Dec. 31, 2022

Classes of current inventories [abstract]

Schedule of Inventories

	December 31, 2022 US$‘000		December 31, 2021 US$‘000
Raw materials and consumables		12,094		13,650
Work-in-progress		3,948		5,546
Finished goods		6,461		9,927
		22,503		29,123

Schedule of Movement on Inventory Provision

	December 31, 2022 US$‘000			December 31, 2021 US$‘000			December 31, 2020 US$‘000
Opening provision at January 1		12,063			9,781			6,716
Charged during the year		7,391			5,589			5,179
Utilised during the year		(3,180	)		(3,307	)		(1,994	)
Released during the year		-			-			(120	)
Closing provision at December 31		16,274			12,063			9,781