... extruder, molding machines, cutting saws, reaming machines. Double-wall corrugated pipe production line is our company's ... with horizontal structure, chain drive, closed water cooling, vacuum forming, cooling speed, high production speed. High degree of ... system, water transportation, ventilation systems, cable sheathing.PVC, PE double-wall corrugated pipe production line specifications: Φ90-Φ160, Φ ...