... have many foreign customers 2.specialize in producing knife sharpening wheel 1.knife sharpening wheel be written according to the order, shape, ... the work pieces made of materials Chilled steel,3.High-speed steel, High-carbon steel, which of strong intensity, high ... the work pieces made of materials Chilled steel, High-speed steel, High-carbon steel,Chromium corundumPAPink,rose-red Sharp cutting, good ...