Independently developed PVC colloidal particles, through industrial grade treatment, produced with the market and other similar products; Colorful color, more like crafts; Is a five-layer structure; It has high pressure resistance, low temperature resistance, aging resistance, wear-resistant and resilient softness. The color of the pipe is easy to distinguish between the gas and safety. Working temperature: -20 degrees Celsius to +70 degrees Celsius. The product is certified by SGS and has a unique enterprise standard. The enterprise standard number of this product is: Q/XBKS 3-2016.