1.100% virgin material 2. nice quality 3.various grade available 4.ISO9001:2000 certificate 5.swift delivery time We are the one of leading manufacturers in zhuzhou city, which is the hometown of tungsten carbide .We specialize in series of tungsten carbide products, such as cold forging die cores, brazed tips, disc cutters, plates and boards, saw tips, round rods, rock drilling bits and buttons, ...