... 4",7", 8",10",14",20", 25", 28" inch rice rubber roller 2. Cast Iron Drum,Aluminium Drum 3 ... hulling rubber is the main part of rice huller machine, because of speed difference of veer and reversion ... the wear-resisting performance is good. It makes the machine to reduce the load vibration, and to increase the ... the re-hulling under the limitedDon’t make the machine work for a long time, in case effect ...