... 4.spraying or chromed chair part gas lift Item No.: gas lift Stroke in 65/80/100/120/140 ... specializing in producing and selling office chair part gas lift,furniture hardware,such as adjustable armrest/arm,armrest/ ... arm pad, bracket,chair frame, gas lift,chair base , mechanism and so on . Most of ... over the world,our main market is U.S.A.,Middle East,Czekh,.Australia,Taiwan and main ...