Peter-H,new product high back mesh office chair Adj. Back 4) Multi-functional mechanism with back

4) Multi-functional mechanism with back reclining & 3 postions lockinh +seat sliding function

middle leg is MFC material

7) 350MM chrome metal base + 60mm castors

the other is 1

Peter-H,new product high back mesh office chair Adj. Back 4) Multi-functional mechanism with back1) High back mesh ergonomic office chair with 3D headrest 2) Black nylon with fiber new material back frame + nylon mesh back & seat + 2D lumbar support+full back height adjustable 3) 4D armrest with soft PU armpad 4) Multi fucntional mechanism with back reclining & 4 positions locking function + seat sliding 5) BIFMA passed CLASS 3 gaslift 6) 350mm aluminium base + BIFMA passed 60MM nylon & PU castors