high back PU ergonomic office swivel chair B-0001A

office chair,PU office furniture,manager chair,executive chair, PU material, seat height up and down freely, powder coated base. Chair description: 1.material: black PU upholstery,color optional2. armrest: soft padded and powder coated armrest3. base:powder coated five star base,move freely with wheels. 4.mechanism: Y-19 mechanism, seat height adjust, back tilt, back can be fixed not to tilt. We ourself manufacture the mechanism,have passed GB/T19001---2000idt IS09001: 2000 quality system authentication.chair specification: Carton size(cm)CBMN.W.G.W.PackingQTY(pcs)LWHKGKGPcs/Ctn20'40'HQ7829650.1470313141/1201469Packing details: usually 5-layer carton packing, 1pcs/ ctn, KD, it's strong for shipping,or pack according to your special need is OK.Delivery:1.delivery time: usually 20-30days2.payment term:T/TQuality control:1.Have strict quality control in every producing procedure2.Every product quality checked & cleaned before packing3.We will try our best to help clients if there is any problem4. Quality: high quality and trustworthy QC staff, strict quality control in all processDear frined, if u interest in our products, pls feel free to contact me, we welcome friends all over the world, we also can make as ur require,tks. Size of back:52x76CMHigh of Arm:69-79CMSize of seat:52x53CMHigh of Seat:47 57CMSize of Chair:66x60x110 120Base:350mm powder coated baseGas Lift:100 mm