W43 series is designed for plate leveling in normal temperature, making the plate surface more even, smooth. Leveling Machine Technical Parameters ... series is designed for plate leveling in normal temperature, making the plate surface more even, smooth. The major body consists upper rollers and ... can be 5, 7, 11, 13, or even more. The material of work rollers is 60CrMo, HRC58-62, which provide ...