Titanium dioxide (titanium dioxide), a soft, odorless and tasteless white powder, is an important standard to measure the living standard of a country. Because of its excellent physical and optical properties, it is widely used in self-cleaning glass and self-cleaning coatings because of its strong covering and coloring power, high stability, high activity and high dispersion. Plastics, papermaking, ink, rubber and chemical fibre industries, as well as piezoelectric ceramics, high temperature insulation materials, new energy vehicles, etc. Titanium dioxide is a high-value substance. At present, the price per ton is about 17,000 yuan. At present, per capita consumption in North America is 3.9 kg, in Western Europe is 2.5 kg, and in Asia-Pacific region is 2 kg. But in China, it is less than 1 kg. According to the association's forecast, the demand of titanium dioxide Market in China increases by 10% every year.