... 4.quality and quantity assured 5.100% virgin material About uswe are a professional Chinese manufacturer of tungsten carbide ... 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. China good quality cemented carbide for rock drilling tools ( SGS approved )