Harbin Cored Wire Co. Ltd. Of new metallurgy materials is the leading manufacturer of various cored-wires, cored wire forming machine set, high magnesium alloy (Mg content 30, 35, 40%) and wire injector in China. It has a number of research workers and designers specializing in technology and equipment in addition to many advanced testing and machining equipments. 'The development and application of cored-wire' was a study task undertook by them during the seventh Five-Year Plan of China. The research results gained the first-class prize of science & technology progress of Heilongjiang Province, and the third-class prize of science & technology progress of China. The cored-wire forming machine set, wire injector, nodulizing treatment station and nodulizing-inoculating treatment station developed enjoy invention patent right and new practical model patent right respectively. Besides to supply Chinese metallurgy and machinery factories its products export to South Korea, Japan, Italy, Russia et al.