... hardness,precision 4.ISO9001:2008 certification tungsten carbide powder metallurgy dies Our products including the following: I. Powder metallurgy dies: 1.Ferrous metal moulds ... die, etc. 2.Tungsten carbide wear parts: carbide rollers, carbide gauge, tungsten carbides inserts, carbide roll collar, carbide plug gauge, etc. III.Tungsten carbide products: carbide board, Bars, Punching cutters ...