... . 2.Highly transparent & semitransparent pipes & tubes. 3.Rigid and flexible. 1.Material:Material is pvc.2.Quality & Price Control:Insist on ... ISO9001 Quality System,High quality,Manufacture the pvc particles by ourself,control the cost by ourself,Competitive ... toys,stationery,water supply &drainage pipe,construction and etc.7.PVC tube range:Outer Diameter 5mm-150mm.Water supply * drainage ...