ZHONGFA YIJIA FURNITURE CO.,LTD

1.Adjustable headrest, 2D adjustable up and down，90 degree rotation; 2.mechanism 4 position lock and with slider or only 4 position locked without slider ; 3.Molded foam seat; 4.adjustable 3D arms or 4D arms. 5.Adjustable lumbar support 2D : front and back , up and down. 6.Adjustable back height:10cm adjustable； 7.Aluminum base or chrome base. 8.60MM nylon castor 9.Chrome gaslift stock in 100mm, class 4 10.with hanger