... XFZY-1 suspending seat is specially designed for middle class and high class project mechanics vehicles ... vacuumed foaming molding technology.Technical datas 1,The adjusting scope in the front and back: 150mm2, ... ,Suspending device stroke is 80mm4,The seat adjusting value for seat height is 60mm and it is ... separated into three steps.5,The adjusting angle for the backrest: 25 degrees, foldable to ...