... PE, PP, PVC granules 3.Have rich experience PE/PP Corrugated pipe extrusion lineFeatures: Suitable material: PE, PP granules. This line ... air cooling unit , counter, coiler, which can continually extrude corrugated pipes in different sizes. Moulding unit adopts excellent steel modules ... modules more stable in performance.The main technique parameter:Pipe diameter range(mm)4.5-99-3232-50Main machine ...