It has advantages, such as low amount of caustic soda, less iron, high silicon content, High temperature resistance, strong refractoriness, rapid heat transfer, high mechanical strength, oxidation resistance, thermal shock resistance, high density, corrosion resistance, low apparent porosity, stable chemical performance, good conductivity, attractive appearance, durable services, etc. In metallurgy, casting, machinery, chemicals and other industrial sectors,it is widely used in smelting of alloy tool steel, non-ferrous metal and non-ferrous alloy, moreover, it has good technical and economic effects. With stable and reliable quality, our products are popular throughout the country and well received by the non-ferrous metal industry users.