1.high quality casting aluminium 2.height and trendelenburg are adjustable 3.PP bed cover 4.with CE,ISO9001,13485 G- ... main frame is made of high quality casting aluminium,the height is adjustable2.200mm dia.castors with central braking system,stable ... upper part is controlled by gas spring,easy to operate4.height,trendelenburg,and anti-trendelenburg can be adjusted on doctors request5 ...