PVC double pipe production line 1.Large output,steady performance 2.Convenient operation 3.produce16-50mm PVC pipe PVC pipe production line (pipe production ... -supply, draining, chemical antisepsis, wire and other specification of PVC pipe materials.Main technical standards: Production line modelBXGC-40*2BXGC ... , Russia, Canada, Brazil, Iran, New Zealand and so on. PVC double Pipe Production Line