... the Material as Cemented Carbide, High Density Alloy, Tungsten Copper Alloy and Tungsten Jewelries. *Cemented Carbide with high hardness, wear ... , Planer Knives, Drill, Boring Tool, such as for cutting Cast Iron, Nonferrous Metals, Plastics, Chemical Fiber, Graphite, Glass, ... Cylinder Liner, Precision Bearings, Nozzles and so on. * Tungsten Jewelries are one of the newly-developed products in last ...