chair part gas lift 1.pass USA quality test BIFMA 2.directly ... 220mm 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 ...