1.gas spring, chair gas spring, gas lift 2.competitive price 3.high quality 4.SGS BIFMA ... 100,000 times ProductsDescriptionNameGas spring/gas lift/gas cylinder/gas strutUseUsed for boss chair/ office chair/bar chair etc.QualityNANT Gas Spring have ... .TypeStroke for different kind of chairs.Boss chair: 60mm, 80mmOffice Chair: 100mm, 120mm, 140mm, 160mmBar Chair: 180mm, 200mm, 260mm, 330mmSampleAll the ...