HDPE Plastic Spiral hollow wall winding pipe machine for tank Brief Introduction: HDPE large diameter hollow wall winding pipe has been recognized as a substitute for cement pipes and cast iron pipes because of its superior properties for water drainage. HC Greesence is the authority manufacture in China. We have the strongest technology advantages and rich experience on pipe production and installation. Our line has advantages of advanced design, high configuration,reliable operation and long life span.The capacity of same model is much higher than domestic industry. Especially big models for large diameter pipes can meet the need of big customers home and abroad. The quality and performance of our line reach leading level in the world. Feature of the production line The line adopt two sets of single screw extruders to ensure high speed and high quality extruding Unique design of composite die head and forming by spiral rotation ensures high efficiency and quality. Convenient and stable operation Pipes can be used for manhole and septic-tank with advantages of easy and safe installation. Anti-static gas drainage pipes for mines can be produced Special pipe fittings are adopted and connection is very convenient and economical.