... toughness;3>any grade with different grain size are available. We specialize in the manufacture of tungsten carbide products such as tungsten ... inserts, and customized products etc.In the meantime ,please be informrd any grade and performance are available as per customers requirements and ... our annual output is around 500 tons .The carbide powders are WC, TiC, Cr3C2, VC, TaC, NbC, BC4, etc Factory: ...