the machine for automotive exhaust catalytic converter production of new technology designed rotary compressing machine tools, it can spin the maximum diameter of 150mm pipe, pipe length of about 200mm-900mm , the main use of the machine gray cast iron HT250, after processing by aging treatment, the exposed parts chrome plated. Can be spin-off tube forming, welding and do not need soaking test. At the same time, the machine can complete the product finishing, trimming and other functions for aluminum (alloy) tube, brass, stainless steel and other materials, spinning processing. The machine is equipped with modern digital process control, programming is simple, easy to learn, easy to use. Can be configured according to user needs, such as automatic, unloading device, and so on. Existing models do ￠ 60mm-￠ 150mm, can be customized according to user needs the machine.