CH-571A

Headrest: 2D, height and rotate adjustment.
Back: 6 Position Adjustable back height.
Lumbar Support: 3 position back and forth sliding function, 30mm extended depth.
Arm: 3D adjustable with PU covered, PA rack.
Mechanism: 3 positions lock tilt mechanism, tension adjust. 
Seat: PP frame, good quality molded foam.
Gas lift: 85mm extended length, Class-3 gas lift.
Base: 350mm aluminum base+60mm PU caster.