With the high quality limestone as raw material, lime mill processed into white powder, its main component is CaCO3. GCC has a high whiteness, purity, and chemical composition of soft hue stable. TSP is usually used as a filler, widely used man-made floor tiles, rubber, plastics, paper, coatings, paints, inks, cables, building supplies, food, medicine, textiles, feed, toothpaste and other household chemical industry, as filler played increase the volume of products, reduce production costs. For rubber, to increase the volume of rubber to improve the rubber's workability, since semi-reinforcing or reinforcing effect, and can adjust the hardness of the rubber.