Adjustable Gas Spring For Office Chair

We are offering adjustable gas spring for office chair.
Standard: class 2: medium tube thickness 1.5mm (better quality with normal prices)class 3: medium tube thickness 2.0mm (much better quality with competitive prices)class 4: medium tube thickness 2.5mm (best quality with good prices) surface: 1. Black surface 2. Chrome surface 3. Other colors can be made according to your demands. 4. Bottom: welding or punched bottom are available packages: 10pcs per carton carton dimension: 27cm*35cm*10cm pallets dimension need to be caculated according to your quantity payment: tt: 30% deposit, 70% balance against orginal bl copy lc: lc at sight advantage: service- perfect quality control, best sales team cooperation solve your problems in time. Perfect quality control, best sales team cooperation solve your problems in time. Certificate---tuv lga din4550, sgs bifma x5.1, iso9001