- gas spring
- 2016-11-09 16:35
- *STANDARD THICKNESS OF PIPES OF EACH SIZE GAS LIFTS.*LONG HISTORY SINCE JEWELL'S ESTABLISHED*FAVOURABLE PRICE*GOOD SERVI
- Inner Pipe of Gas Spring&outer Pipe of gas spring & plastic part of gas spring
- 2016-10-25 23:16
- 1.For office chairs,inner pipes of gas springs are used to adjust seating height. 2.Only the standard sizes are shown on