Changsha Machine Tool Works, one of the key enterprises in the Ministry of Machine Building Industry with a history of over 80 years in machine building, was founded in 1912. Broaching, shaping modular machines, automatic punching shearing and bending machine, slotting machine, automatic horizontal band saw machine, and transfer lines of high accuracy are her dominant products. Supported by the Ministry of Machine Building industry, Changsha Slotting, Broaching And Shaping Machine Research Centre has been established in the works, engaged especially in summing up the technical development in the above mentioned machine tools.