... Birmasil We specialize in the manufacture of tungsten carbide products such as tungsten carbide strips, rods,rings,inserts, shims, wear ... tons .The carbide powders are WC, TiC, Cr3C2, VC, TaC, NbC, BC4, etcNumber and performance of cutting blade series GradeISO ... steel and cast iron.Other grade of cutting blade may be offered according to customers' requirement. Cemented Carbide Insert Cutting Tools