plastic punching spiral coating woven pipe machine: This machine line can be used to produce spiral corrugated pipe continuously, punching holes on the bottom of tube.it has the features of high water permeability, resistant acid-base corrosion, flexibility, convenient to transprot and istall,to make sure provent the silt from blocking, this machine line equipped with non-woven fabrics covering device collect punching and covering on a line. Water permeate spiral pipe mainly used in the fields of farmland building (with the mud of sea),urban mud and water drawing.draw water with this punching spiral pipe can be shorted the dehydration time of the mud and the mud of sea.It can be used in afforestation field too,the market prospect is very board. If changed the mould of this machine line, it can also be used to produce single wall corrugated pipe and prestressing force plastic corrugated pipe too, realize multiple use in one ,machine line. Main parts of the machine line: 1. SJ-65 single screw extruder(with auto-loader and dryer hopper) 2. corrugated pipe forming machine 3. punching hole device 4. non-woven fabrics covering device 5.double station auto-winder we can designed the special request according to the clients requirements.we confident that will be benefit between us if you cooperate with us.