Shanghai Machine Tool Plant was the third in the 20th century to the 1940s created China's first Cylindrical Grinder, the fourth Shanghai Machine Tool Plant in 1940 created on the 3rd universal milling machines, is China's earliest grinder and milling machine manufacturer. Two plants in the late 1950s officially changed its name to Shanghai Machine Tool Plant and the third Fourth Machine Tool Plant of Shanghai, specializes in the development of milling machines and grinders, development and production......