... in 1994.It specialize and produce the Material as Cemented Carbide, High Density Alloy, Tungsten Copper Alloy and Tungsten Jewelries ... -to-machine materials. Now a new type of cemented carbide tool cutting speed equal to hundreds of Carbon Steel. ... to produce Carbide Tools, Mining Tools, Drilling Tools, Measurement Measuring, Wear Parts, Metal Abrasives, Cylinder Liner, Precision Bearings, Nozzles and ...