... alloy steel, with high durability and good tenacity;√ With semi-automatic oil adding device, easy to lubricate;√ Widely used ... aquacultureruminant feedMUZL350double roller,conical ring die,V-belt drive√√√√√√double roller,hoop ring die,V-belt drive√√√√√√MUZL420double ... , Japan and USA and the most key parts of products are produced in Europe,Japan and USA with complete machine assembling and testing in ...