▻Patented product, patent number：ZL 201730020033.7 ▻SGS certified , passed ANSI BIFMA X5.1-2011 test ▻PP+fiber plastic back, black/white/gray options ▻Mesh back, fabric cover seat ▻Conjoined armrest ▻High density foam ▻Multi-lock mechanism/Tilting mechanism options ▻Grade 3 SGS certified gas lift ▻Φ700 mm chrome base/ Φ640 mmnylon base options bearing capacity 1133KGS ▻ Φ2 inch PU caster SGS certified，at least 100,000 times friction ▻Product size High back Swivel chair：width 580MM,seat depth 480MM，seat height 440-510MM,total height 1180-1250MM Low back Swivel chair：width 580MM,seat depth 480MM，seat height 440-510MM,total height 980-1050MM Visitor chair：width 580MM,seat depth 480MM，seat height 470 MM,total height 1010MM ▻Package Swivel chair：2pcs/1ctn,0.124m3/pcs, G.W:13kg/pcs Visitor chair：2pcs/1ctn,0.115m3/pcs, G.W:11kg/pcs