Harbin Cored Wire New Metallurgy Materials Co. Ltd. is the leading manufacturer of various cored wires, cored wire forming machine sets, high Mg alloys (Mg content 30, 35, 40%) and cored wire injectors in China. “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 prize of science & technology progress of Heilongjiang Province, and the third prize of science & technology progress of China. The cored wire forming machine set, wire injector, nodularizing treatment station and nodularizing-inoculating treatment station developed enjoy invention patent right and new practical model patent right respectively. Besides to supply Chinese metallurgical and machinery factories its products export to South Korea, Japan, Italy, Russia et al.