1,Silver powder coated frame 2,Flip-back armrest, swing-height-away and height adjustable footrest 3, 24" rear solid tyre (1) 1, Silver powder coated frame 2, Flip-back armrest, swing-height-away and height adjustable footrest 3, 24" rear solid tyre, 8" solid castor 4, seat width 16", 18", 20". (2) the annual capacity reaches to 300000 of wheelchairs, 60000 of sickbeds and 60000 of oxygenators (3 ...