cold forging dies, grade usually in YG15,YG20, YG20C, YG25C
Zhuzhou ZZ Hardmetal, 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.
For the details, please visit our website www.zzhardmetal.com.
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