Character of this machine: 1. Saving power. It's power is 20.5kw/h. But gm250 is 38.5kw/h. 2. Output: 80-110kg/h; roll dia: 400mm;; fiber length: 18-25mm. ¦¦ú¦technical specification 1íó output: 80-110kg/h 2íó roll dia: 400mm 3íó working speed of roll: first roll is 1320r/min; second roll is 1420r/min;third roll is 1420r/min 4íó dust cage: diameter 500mm, Mesh: ª¦18íß4íß3(48-52/inch) 5íó suction rotary speed:2900r/m Saving power. It's power is 20.5kw/h. But gm250 is 38.5kw/h. 2. Output: 80-110kg/h; roll dia: 400mm;; fiber length: 18-25mm. ¦¦ú¦technical specification 1íó output: 80-110kg/h 2íó roll dia: 400mm 3íó working speed of roll: first roll is 1320r/min; second roll is 1420r/min;third roll is 1420r/min