Now hood spray coating process, due to adapt to the development of society, people to meet the requirements of kitchen cleaner spray, it is not just on the surface of the object to form a layer of corrosion, changes in the protective layer, more play change the appearance of the object color, bright appearance and other properties, in some applications fine fine, it also acts to prevent external and internal mutual interference, wear protective equipment to reduce the effect. And now some of the emerging high-tech field spray painting applications are increasingly intelligent, coating can occur depending on changes in the external or internal environment of the corresponding change and so on. Coating technology development today, is to promote its development life, but it also brings to life colors. Coating material is a coating chemical materials and accessories used in the production process. Include cleaning agents, surface conditioning agents, phosphating solution, passivation solution, various paints, solvents, putty, sealants, anti-rust wax and other chemical materials; gauze should also include rubber, sand paper, used in the process, the plastic parts and so on. Coating technology from the perspective of chemical materials for a variety of technical performance should focus on understanding the material heater spray painting environment requirements, equipment, process needs, according to the actual situation of the coating chemical materials and materials selection. How to manufacture these products should be the scope of chemical technology research. Freezer spray, sand hung hardware appliances spraying, spraying sand hung by City Hardware Electrical Appliance Co., Ltd .. Dongguan City, Sha Hong Hardware Appliance Co., Ltd. (www.dgshahong.com) is an industry leader in Dongguan, Guangdong, spraying equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Painting hung in the sand leading hardware appliances with the staff warmly welcome all inquiries negotiations to create sand painting hung hardware appliances a better future.