✓ Material：The doctor blade chamber and holder are made by aluminum extrusion mould,and it is light in weight,with good appearance and high precision,nickel plated of holder for corrosion resistant.
✓ Feature：The doctor blade contact pressure is controlled by air-bag,convenient adjustment,which help to reduce the abrasion rate of ceramic roller.
✓ Application：A spare part of the carton printing machine which is used for making the carton box.
