1.CE,ISO9001,ISO13485approve 2.Big chair fit Europeans 3.Chair can be movement, rotate-able spittoon 4.easy to use and for c Product DescriptionFeatures:* Seat height: 500-600mm* Backrest angle of inclination: 110~180°C* Headrest distance of movement: 80mm* Headrest angle of rotation: ≥25°Options:* Knapsack Foldable Dental Chair ( DL-32)