1. Adopt the tech of thin blade to overcome the burrs and pressure partial phenomenon of thick corner cutted, its slitted cardboards edge tidy, no burrs and smooth without pressure partial phenomenon, besides, well straightness, and improves cardboards overall quality and exterior.

2, It has automatic and manual 2 kinds of sharpen, and can slitting as sharpen a knife, both keep the sharp of blade and help improves work efficiency.

3, The line ball adopts the technology of French horse field, doesn’t have divulsion phenomenon to the line ball of high, middle and low grade card board.