Built-in spiral steel wire, high pressure, good flexibility. Product material: PVC, steel wire product wall thickness: 2mm-5mm inner diameter: 13mm-100mm can be customized product features: pressure resistance, tensile resistance, corrosion resistance, anti-aging, beautiful appearance, soft and light, adding color marking line pipe surface product use: can be widely used in factories, health industries, is industrial, agricultural and engineering pumping and conveying water, oil, powder of the ideal pipe material.