Manganese Sulfate factory Our Team Members Redstar Chem Group, established in 1992, is the affiliated enterprise of Qingdao government SASAC. It was founded in 1956 as Qingdao Taidong Chemical Factory and changed its name into Qingdao Redstar Chemical Factory later. Redstar specializes in inorganic chemical materials major in Barium, Strontium, Manganese and Lithium salts and is renowned as...