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　　 Among them various new thermodynamic energy expansion valves are made from the stainless steel welds head and high-quality stainless steel diaphragm, the full way is variety, having the characteristics such as external appearance design is novel, temperature reaction is intelligent, control function is stability, quickly to reduce the heat and make the cold efficiency, long in service life; The design of the diaphragm type electromagnetism valve is advanced, the high-quality diaphragm acts for the traditional piston construction, the acting is intelligent and dependable, the whole plastic electromagnetism coil has the characteristics that insulate better, watertightness, defend tide, and anti- earthquake etc.The pump is reasonable in design , beautiful that the air conditioner drains off water special-purposly, adopt and import the high-quality material to make. It has light quantity , small-scale , energy-conservation and the noise is low , such characteristics as vibration is small , longe-lived with high.

　　The product of Qixing is already extensive to used for ice machine, cold chain, refigeratory, door type central air condition and various car air condition etc., has got a deep enjoyable opinion by the user.