This machine is an equipment indispensable to silencer industry and a leading equipment for silencer  processing. Absorbing the advantages of similar machine tools at home and abroad, this machine tool integrates roll forming and seaming of plates, and automatically unloads materials after manual feeding.  The movement of  hydraulic system  is stable and reliable with high-quality superposition valve imported from Taiwan. Advanced pneumatic element and air cylinder are used for pneumatic system for steady movement. Full PLC programmable controller is adopted for fast electrical line, and the program can be written and changed as needed to make operation simple.