Zhuzhou ZZ Hardmetal was established in the hometown of hard metal of China - Zhuzhou City in Hunan Province. We are a professional Chinese manufacturer of tungsten carbide products such as inserts, indexable inserts shims, drilling bits, drawing dies, cold forging dies, carbide bars, carbide rods, carbide balls, carbide burrs, carbide rings, etc. We own an export company - Zhuzhou ZZ Import and Export Co., Ltd. Our products are exported to the USA and Europe, and won trust from our ...