height adjustable student chair office chair ergonomic

Adjustable Height Study Chair 12cm thick and high strength 6063 aluminum alloy table legs, 15 years of use guarantee. New Design Kid Study Chair comprehensive properties of 6063 aluminum alloy profile are far higher than the industrial profile standard. Scientific measurement, reasonable sight distance, so that children can reach the best visual angle when reading. Moveable Study Chair Reduce children's eye fatigue, improve children's reading efficiency. Ergonomic Computer Chair Grade 8.8 high hardness screw, high strength, repeated disassembly, no sliding wire, no deformation, 100 hours salt spray test, no surface peeling, no rust. five hundred ° Hot nickel plating process, anti-corrosion, durable, quality assurance for 15 years!