1.Ergonomic Design:Have you ever been in pain in your back or shoulder? Our office chair has a backrest, combines the high quality PP+fiber frame designed with Ergonomics will be the best choice to protect your cervical spine and lumbar spine, reduces back pain. The ergonomic office chair is built with an S-shaped design backrest tilted from 102°-135°, offering you a healthy sitting posture while working. 2.Breathable & Comfortable: The backrest and seat are faced with high-quality breathable polyester mesh and fabric to keep you cool and comfortable. High-density molded foam-filled seat cushion resists deformation to provide the support that lasts all day long. 3.Flexible Adjustment: Adjustable height and adjustable back angles show the flexibility of the ergonomic office chairs, you can adjust the height of the chair and tilt the back to meet your work and daily needs, finding the best position to perfectly support your neck, cervical spine, shoulders and arms to get the maximum relaxation. 4.Safe & Reliable: The steel gas spring and heavy-duty nylon legs with max. load of 300LB, . The thickened explosion-proof steel mechanism is hard-wearing, all the details make this desk office chair use longer. The quiet chair wheel wrapped by PU can smoothly rotate 360°.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.