PE PVC Double-wall corrugated pipe production line is on the basis of absorbing foreign advanced technology and manufacturing processes, well-designed developed, It is not afraid of acid, corrosion resistance and good sealing, no water seepage, high ring stiffness, friction coefficient, anti-aging, anti-electric erosion, softness and good features Applications for wires, cables threading pipe, washing machine drains, vacuum cleaner tubes, ventilation tubes, etc