Extrusion Double -Wall Corrugated Pipe Production Line Qingdao Benoto Industrial Co., Ltd. Base Info Type：Pipe ExtruderPlastic Processed：PVCScrew：Twin-ScrewAutomation：AutomaticComputerized：ComputerizedTrademark：BNTSpecification：Double Screw ExtruderOrigin：Qingdao, China Description Pre：Parallel Double Screw Extruder Next：Line for The Production of HDPE Sheet
