... certificate 4.input size:300*680mm 5.110kw 1.drum wood chipper is mainly used to chip big wood ... -3mm,longth and width is 10-30mm.2.drum wood chipper contain flat conveyor which can move ... , speed can be controled by electrical cabinet.3.drum wood chipper has grinder which can grind knives when ... using , very conveient to repair and operate .4.drum wood chipper has limited input feeding size, please let ...