Shanghai Zhengzhuo Machinery Manufacturing Co., Ltd.  

Product Description Water-fall racks, input conveyors, front force-feeding device, straight tube butt welding machine, rear force-feeding device, output conveyors, welded tube racks, inspection conveyors,force-feeding device and tube rotation device before inspection, NDT system for tube butt welding, tube rotation device and force-feeding device after inspection ,tube kicking-off device for inspection, bender conveyors, serpentutor bender system, small R squeezing and sizing machine.