1.ERGONOMIC BACKREST - The High Quality Boss Best Office Chair 2021 adopts ergonomic high back, which can perfectly fit your back and waist, provide the support for you head, waist and back, so allow your muscle relaxed. 2.65MM LIFT & 360 DEGREES ROTATION - This High Quality Boss Best Office Chair 2021 adopts class 3 chrome gas lift, it can be raised and lowered freely by 65MM, and you can adjust it to the most comfortable height according to your height. Our office chair also supports 360-degree horizontal rotation, so you can communicate with people around you freely without getting up. 3.90-132 DEGREE ANGLE ADJUSTMENT - The backrest of this computer executive chair can be adjusted from 90 to 132 degrees by the weight of user and the mechanism. When the user is in work activities, the office chair can be adjusted to 90 degrees to support the user better. When the user needs to rest, the office chair can be adjusted to 132 degrees to relax the body. Users can easily find the most comfortable position based on their needs. 4.HIGH GRADE LEATHER AND STABLE BASE - This Boss Office Chair is made of high-grade PU leather that is very soft and smooth. The Best Office Chair has elegant look. The large sturdy aluminum steel base has stable structure to enhance the stability and load-bearing capacity. 5.5PCS FLEXIBLE CHROME CASTERS - The chair is equipped with 5pcs 60mm flexible chrome casters to provide 360-degree all-round movement. The great mobility and flexibility allow you to move freely. This adjustable Executive High Back Tall Good Office Chair is suitable for all kinds of floors and will not scratch the floor surface.1.Located in Jiujiang, Foshan, HERO OFFICE FURNITURE is a professional manufacturer and exporter of office chairs&gaming chairs. 2.Factory area:10000 sqm; 150 workers; 720 x 40HQ per year. 3.Our price are very competitive. For some plastic accessories, we open the moulds and reduce the cost as much as we can. 4.Low MOQ for our standard products. 5.We arrange production strictly according to the delivery time required by customers and ship the goods on time. 6.We have a professional QC team to inspect raw material, semi-product and finished product, to make sure the good quality for each order. 7.Warranty for our standard product: 3 years. 8.Our service: faster response, reply emails within one hour. All sales check emails by mobile phone or laptop after work-off.