Chengdu WOCO Carbide industry Co,. Ltd. Which was established in the hometown of hard metal of China--- ChengDu city in Sichuan province. A professional Chinese manufacturer of tungsten carbide products such as drawing die, indexable inserts shims, drilling bits, drawing dies, cold forging dies, carbide bars, carbide rods, carbide balls, carbide burrs, etc. Along with our company growth, we hope to build business with more companies abroad