Amsteel Mills Sdn Bhd LinkedIn. Perihal kami. Amsteel Mills Sdn Bhd, a member of The Lion Group commenced operations in 1978. It operates two steel mills, in Klang and Banting, both in Selangor, which are equipped with modern facilities comprising Electric Arc Furnaces of 85ton and 160ton respectively, 6strand Continuous Casting Machines and Ladle Furnaces to .