Inner sieve and outer sieve are fixed separately, so it is easy to make the change. Feed opening adopts pivoting support, which makes the whole machine. Specialized sieve-surface cleaning device. Higher output, small power consumption, small land occupation, simple        operation and maintenance and etc. Rotary Flat Cleaning Sieve. Cylinder cleaning sieve is the equipment to clear the raw grain. It is used to remove the big matters like straw, big stone, scrip and etc. www.ricemachinechina.com