1.Material:tungsten carbide 2.Suitable for drawing various ferrous and nonferrous wires, rods, tubes and steel bars etc. Zhuzhou ... Hunan province. A professional Chinese manufacturer of tungsten carbide products such as indexable inserts shims, drilling bits, ... drawing dies, cold forging dies, carbide bars, carbide rods, carbide balls, carbide burrs, etc. Along with our company growth, ...