Large-diameter hollowness wall winding pipe production line have sold to many countries of the world ,in the Russia Ukraine ,Kazakstan,mongolia ,in the west is india,India,Iran Egypt sudan,south africa,American,vietnam,Singapore,Korea,Taiwan and others. The trademark Changjie has been registered in the National Industry and commerce Administrative bureau official registration and passed GB/T19001-2000idt the ISO9001:2000 quality system authentication. Our company absorbs the newest domestic and overseas technology to develop HDPE Big Caliber Twist Pipe Production Line, it can produce diameter 200-3000 excellent drain pipe. This pipe becomes the main production in the city drain pipe more and more, and will instead of steel pipe, cement pipe and other plastic pipe gradually. This production line has profile pipe extruder, melting-joint extruder, twist moulding machine, cutter, and other relative downstreams to compose. The first extruder extrudes rectangle pipe into twist moulding machine, at the same time, the second extruder spurts out glue piece, extrusion complex to form. It has high output, high production efficiency, stable operation, high pipe steel degree, little unit meter-weight, good resist-squirm performance, connecting convenience, cheap construction and other advantages. Twist Pipe variety as follows: Twin-wall Corrugation Twist Pipe, Twin-layers Wall Twist Pipe, Three-layers Wall Twist Pipe, etc. If you are interested in our machine, please feel free to contact MS.Kelly 0086-13455298467,thanks.