... of PVC, PE double-wall corrugated pipe, production diameter range of 63mm-600mm. Molding machine with horizontal structure, ... Reaming methods are online reaming, reaming machine. Double-wall corrugated pipe production line mainly including extruder, molding ... PVC, PE double-wall corrugated pipe production line specifications: Φ90-Φ160, Φ200-Φ500, Φ200-Φ600 Plastic double-wall corrugated pipe ...