NiTi shape memory alloy is a kind of functional material, which not only has the characteristics of high specific strength, wear resistance, corrosion resistance, non magnetism, good biocompatibility, but also has unique shape memory and super elasticity properties. It is widely used in aerospace, communication, medical treatment, automatic control, instrument, pipeline connection, glasses manufacturing and daily life. The comprehensive properties of TiNi shape memory alloy produced by the company have reached the international advanced level; the products of plate, belt, rod, wire and tube enjoy a high reputation in domestic medical equipment, glasses manufacturing, mobile phone antenna and other industries.