... ,Y-19 mechanism, back tilt, seat height adjust,high quality, competitive price. Chair description:1.material: PU upholstery,u can choose ... on each chair.2. Elegant design, excellent workmanship3. high quality , competitive price, durable. Quality control:1.Have strict quality control in ... in all process. About our factory:1. Market: we have very big market in the worldwide, for both chairs and chair ...