... superior than others at high effective, power saving, cotton fiber is more longer and so on. It can save 5 ... -7degree electricity average per hour, and will not destroy fiber, also easily to mantling wire. It is our new products ... qty of removing impurity 30%-40%3,roll diameter 400mm or 550mm4,rotation speed 1440r/m,1580/r/m5,dust baskate ... ×8.8inch 1.65m×3.5teeth×8.5inch GM550 or GM400 opening machine