... , have many foreign customers 2.specialize in producing knife sharpening wheel 1.knife sharpening wheel be written according to the order, shape ... , High-speed steel, High-carbon steel,Chromium corundumPAPink,rose-red Sharp cutting, good edges holdout, durableSuitable for form grinding, knives, Measuring ... process weak Tensile strength metallic and Nonmetallic material, i.e. knife sharpening wheel