* Seat size：440*420MM

* Back size：400*320MM 

* System Resistance:106-109Ω；

*Adjustable height：680-880MM (foot cup)，700-900MM(castor）；

* with foot rest

* 5-Star Foot: 300mm radius casting aluminum-alloy

* Chassis: Electroplate steel 

* Chassis fitting material: Elastic steel plate with superior plating, With stiffener, ergonomically

* High strength Gas cylinder   

* Sea & back: Pu foaming

* Caster: High-strength wear-resistant PA plastic, non-marking, with conductive metal chain