... DD-600 Refiner Disc / Refiner Plate / Spare Part for refiner in paper machine quick details: Place of Origin:ChinaBrand Name: ... various types of refiner discs, different sizes are suitable for different machines. For example, DD330, DD350, DD360, DD380, DD400, DD450, DD550 ... by sellers engineers:3: One year warranty for equipment , spare parts supply for long-term;We will offer lifetime consultation ...