1.Change tail block support for stretch support,reduce noise farthest,improve grade performance; 2.Low conk out,little maintain,handle facility;gear-box adopt non-gear wheel running manner,do without lubricate,avoided oil leak; 3.Inside clipper-built design,without material aggradation,avoid pollute; 4.Grading sieve setup convenience exchange sieve fleety; 5.Have two layer sieve,three layer sieve and two layer sieve double material can select; 6.Apply to grain material、power material clean up and grade dispose. Type Power Output of grains SFJH60×2 1.1KW 5～8t/h SFJH80×2 1.1KW 8～12t/h SFJH100×2 1.5KW 12～18t/h