Each unit of the production line is not only economical ... , the components used are from famous brands. Each unit of the production line is not only economical but ... also practical.diameter of welded tube: 7~16 mmwall thickness of welded tube: 0.2~0.8mmspeed ... shear and end welder, accumulator, forming, welding and sizing unit, flying cutting saw, runout table and etc.welcome to contact ...