Changzhou city Yinhua tools Co.,Ltd.lie in in Jiangsu often The industri- alized country of the villa of state Xixia dynasty of western suburb of city, bordered on the Changjiang River in the north, the west Lean against Beijing-Hangzhou Canal, from the airport 4km of civil aviation of Changzhou, From the Shanghai-Nanjing expressway 3km. Our company produces whole hard alloy and HSS mainly: Strap pressing mill ,Iron plate drill Bit , Annular Cut