... is the most ideal grinding equipment of all kinds of wood peices,wood shavings,grass,straw,stalk,corn,weeds,soybean,PVCfoaming board,rubber ... machines of friction high temperature ,which is mainly used in wood factory,foddor factory, cultivation factory, organic fertilizer factory, Chemical ... industry and so on. 2.After smashed by wood hammer mill, the powder diameter is from 1.5-3mm ...