Zhuzhou Winwin is Located in Zhuzhou city ,Hunan Province,the largest tungsten carbide producing area in China. . We have our own factory and also provide many other carbide products we can not produce. With many years of experience in the production of tungsten carbide ,ongoing research and development ,as well as a professional production and quality control ensure that Zhuzhou Winwin Carbide competitively offers the best quality goods in short delivery time.