Chengdu WOCO cemented Carbide which was established in the hometown of comented carbide of China --- Chengdu city in Sichuan province. A professional Chinese manufacturer of tungsten carbide products such as drawing dies, indexable inserts shims, drilling bits, cold forging dies, carbide bars, carbide rods, carbide balls, carbide burrs, etc. “WOCO” is our brand for oversea market. Along with our company growth, we hope to build business with more companies abroad.