Carbide alloy rotary file (also named Tungsten steel wheelhead): This product, instead of grinding wheel bur with handle, can cut and process all kind of metal and nonmetal materials under HRC70, and its service life is longer than 300 pieces of grinding wheel bur with handle. It can be used in rag, burr and welding seam of processing, cleaning, casting, forging and welding the moulds, in abrasive finishing process of internal Cavity of impeller channel valve, in rounding and groove process of all kinds of machinery parts, and in technical carving all metal and nonmetal materials. Yuyao Fenghua Carbide Alloy Cutter Factory is located in Simen----the main town of industry in Yuyao, Zhejiang Province. We have produced carbide alloy rotary files for more than twenty years. We have nearly 200 employers, 10000M2 area of our plant, more than 200 special production equipment of good quality and also enjoy the production ability of 3, 000, 000 pieces per year. Our products, which can compete with those of any other factories, domestically or abroad, have a suit of complete specifications and conform to the requirements of GB9206-9217-88 in quality. We are strong in technical power and a famous factory in special and large-scale production of carbide alloy rotary files around the whole country.