Puissant press coming back can be opposite the ST series that press of metal of heart of Er of German thunder humble coming back makes limited company exhibit a company of Leifeld of date W3-B019 Germany to produce of circumgyrate semmetry wait for a wall thick with change the wall is large. Use newest ST 650 H 9100 to come back by force machine, this is the user is used first come back by force the technology can come back pressure be as long as the high quality pipe of 9m, if use,come back reversely press a technology, the canal grows to be able to exceed 13m even. By Leifeld company seasoned engineer design is developed and this new machine is developed, this machine hefts 120t, be as long as 30m, precision is tall. Even so, machine installation and manufacturing process also very economy. CNC Milling