... Product Name: high quality DD-600 Refiner Disc / Refiner Plate / Spare Part for refiner in paper machine quick details: ... : wooden cartonDelivery:within 1 months Product Details:DD600 Refiner Plate/spare part for disc refinerMaterial: 2Cr13, Alloy Steel,Stainless ... types of refiner discs, different sizes are suitable for different machines. For example, DD330, DD350, DD360, DD380, DD400, DD450, DD550 ...