Industrial technologies that continue to make remarkable advancements are mind-boggling. This is attributable to new materials and new technologies developed in succession, tools and equipment going for products have also been going higher in grade naturally. In keeping up with the successive development of new materials such as diamonds, ceramics, cermets and superalloys, tungsten carbide (super hard alloy) has also been under demands for even higher quality and higher performance as well as for further new materials.