This line is used to produce double wall corrugated pipe with PVC , PP or PE as materials. This kind of pipe has unique structure and many advantages such as: light mass, impact resistance, corrosion endurance, cold and heat resistance. So, this kind pipe is widely used in the fields of communication, paving of wire and cable, agricultural irrigation, water supply and drainage in cities, geographic deep irrigation and feed water in architecture, etc.

Model	Main machine	Quantity of module	Specification of pipe
SJSB250	85-90/30(PE) SJS-65/132(PVC)	35	Φ 50-250
SJSB500	95-120/30(PE) SJS-92/180(PVC)	42	Φ 250-500