Colin-H, Multi functional Executive Swivel Manager Office Desk Chairs Furniture French Modern Office Chair $20-$50 340MM aluminin base or nylon

340MM aluminin base or nylon base5

5mm thickness black metal frame + PU castors

high density foam inside & armrest3) Sample mechanism with up and down function4) BIFMA passed CLASS 3 gaslift5) 330MM aluminum base with BIFMA passed 50MM PU nylon castors

middle leg is MFC material

Colin-H, Multi functional Executive Swivel Manager Office Desk Chairs Furniture French Modern Office Chair $20-$50 340MM aluminin base or nylon1) High back ergonomic mesh office chair with 2D headrest2) Full nylon mesh back & seat + black nylon with fiber back frame3) Butterfly design lumbar supprot with height adjustable function4) 3D armrest with soft PU armpad5) Weight balanced mechanism with back reclining & 3positions locking functions6) BIFMA passed CLASS 3 gaslift7) 345mm aluminium base with BIFMA passed 60mm nylon PU castors