Hunan Seaairy Electrical Appliances CO., LTD is located in Seaairy scientific and technologic park of development area in Mount Zhao Xiangtan, Hunan Province. It is a privately-owned company on a large scale which is the combination of science, industry and trade with manufacturing area of 50,000m2, scientific and technologic garden area of 40,000m2 and the floor area of garden factory of 20,000m2. The company possesses 342 employees, including 45 researchers for development and a technical staff with 120 professionals with educational backgrounds above college level. The company is devoted to the scientific and technologic creation of the new product. It has developed new types of air conditioner such as domestic and industrial types. There are have produces of 29 different types. The series of stainless shell and defends the PP series model of aging project for the organic shell.In order to catch the times development of the energy-saving and environment-protecting mainstream, we