Qingdao Tongsan Plastic Machinery Co.,ltd is an Chinese plastic extruder and plastic extrusion line and plastic recycling machine manufacturer. Our factory was founded in 1997, since foundation, we focused on the plastic extrusion machine Research and development, we always do our best to improved our machine quality and service level. With more than 20 years’ development, we have built our features and profession in the plastic extrusion machine field. 1.      Plastic corrugated pipe extrusion machine pp pe pvc single wall corrugated pipe extrusion machine high speed single wall corrugated pipe extrusion machine HDPE/PVC double wall corrugated pipe extrusion machine 2.      Plastic Solid Pipe extrusion machine, Plastic Sheet extrusion machine, Plastic Profile extrusion machine PVC UPVC CPVC pipe extrusion machine HDPE gas and water pipe extrusion machine PP pipe extrusion machine PPR pipe extrusion machine PVC hose extrusion machine PVC sheet, PVC marble sheet, PVC foam sheet, PVC edge band sheet extrusion machine PP PE PS HIPS sheet extrusion machine PET sheet extrusion machine PMMA sheet extrusion machine PP hollow sheet/ corrugated sheet extrusion machine UPVC window and door profile extrusion machine PVC ceiling panel extrusion machine 3.      Wood Plastic Composite WPC extrusion machine WPC profile extrusion machine WPC PVC foam board extrusion machine WPC door board and door frame extrusion machine Our machines has been exported to more than 40 countries in the world and  built win-win business with our customers.