... uswe are a professional Chinese manufacturer of tungsten carbide products such as carbide no standard products, inserts, mining inserts, indexable ... , drawing dies, cold forging dies, carbide bars, carbide rods, carbide balls, carbide burrs, wear parts, tungsten carbide cutting cutters etc. We have rich ... , K05, K10, K15, K20,K30, P20, P40,etc. cemented carbide for rock drilling tools ( SGS approved )