PVC advantages:Corrosion resistance is strong, easy to stick receive, low price, quality of a material is solid,Non-toxic PVCSpecificationsitem:PVCbrand name:oysfcolor:whitematerial:PVCHard PVC pipe specifications: GB/T13020-1991Soft PVC pipe specifications: GB/T13527.1-1992Hard PVC tube has nominal diameter is 50 CM ,But general soft PVC tube is the biggest is 50 mm ApplicationsCivil water ...