Zigong Cemented Carbide Co. (ZGCC), located in southwest of China,is one of the largest tungsten & molybdenum productsmanufacturer with the annual sales volume over 400 milliondollars.ZGCC has the whole production line from APT to carbideparts.Zigong Tungsten Carbide Co., Ltd (ZTC), a subsidiary of ZGCC is thelargest tungsten-based hardfacing material manufacturer in China.The products ZTC manufactures are listed below:cast tungsten carbide powder, macro crsytalline tungsten carbidepowder, spherical cast tungsten carbide powder, cemented carbidepowder, thermal spray powder,premixed powder, PDC matrix powder,etc.About 60% of the output is exported to north American marketeach year.Â