... , High quality 3, Competitive price 4, Deliver fast Product description:Cylinder material: Steel, SS304, SS316, AlloyShaft material: Steel, SS304, SS316Cylinder ... produce as customers’ requirement.Brief introduction:This kind of gas spring can be widely used in bus seat, aircraft seat, ... days.Our advantage:1, We have engaged in automobile gas spring producing for more than 1 decade. Now , our products ...