... Extruder, vacuum shaped tank, and haul-off machine motor produce high-quality products, haul-off machine have two-claw, three claw, and ... use knife-raised cutter or planetary cutter. And the stacker take into account length.production line is reliable performance, and high quality ... . The weight is light, easy to flaring, bonding, bending, welding, pipe installation workload is only 1 / 2 to the steel ...