Product: Tungsten Carbide Circular Knives For PaperMaterial: Tungsten Carbide,Website:http://www.chinabettool.com, Tungsten Carbide TippedType: Standard, Non-standardProduct Description:Now many factories use tungsten carbide knife instead of HSS knife to produce corrugated paper or carton paper.For Chinese tungsten carbide material cost is much lower than oversea company, so the tungsten carbide knives are much cheaper than oversea famous company, the quality is closed to oversea famous brand products, the price maybe is half compared with other famous brand products.For the bottom knives are very thick, some knives are made by tungsten carbide tipped.