... 3.strong shock absorption 4.good quality&cheap&nice flexible pipe joint/hose,cheap ,good quality1.high flexibility 2.years of trading ... ,FFPM,ACM, with Lining frame: chinlon cord fabrics, Nylon cord Fabric or steel wire enhaced.. Flange:carbon steel, Q235, cast iron ... voltage ,long-range elasticity ,and the weight is light, etc.. flexible pipe joint/hose,cheap,good quality