Sanmen Sanyou Metallurg & Technology Development Co.,Ltd is a high-tech enterprise located at the shore of China east ocean—Industrial development zone of Tingpang town in Sanmen. Established in 1992, the company is committed to non-ferrous hydrometallurgy of new equipment,new materials,the application of research and development of manufacture of special equipment. The company has applied nine patented technologies and a number of R & D results....