... profiling tungsten carbide, steel, mold, glass, optical glass, stone, concrete, asphalt, ceramics, magnate, and other deep manufacturing ... Co, Ltd, specializes in manufacturing Diamond Knife Sharpener, Diamond Mesh Sharpener, Electroplated Diamond Saw Blades, Bush Hammering Wheels , ... Grinding Wheels etc. which are mainly used in stone and construction industries, such as marble, granite, sandstone, ...