Fabric: Made of Italian "Sunshine" brand calfskin (1.0mm thick), it has been treated with liquid color dipping and moisture-proof, anti-fouling and other processes to make the leather surface softer and more comfortable, with long-lasting luster. Accessories: DuPont's PU molded foam high-density sponge is used. It has a protective layer on the surface to prevent oxidation and shattering. It will never deform after HD testing. Air pressure rod: Xieqiang air pressure rod, safer free lifting,
Chassis: One-level locking synchronous tilting chassis
Chair legs: aluminum alloy five-star legs + universal wheels