... Wheat Straw, Corn stalkFinal ProductShape : pelletsDiameter : 3~12mm according to your requirmentsDensity : 0.8~1.3g/cm3DesignCompact structure, small medium ... send you relevant user manual ,our technician will guide you how to use ,if needed ,we will send you vedios . For ... large pellet machine , we will send our technician to your factory when the machine arrives .,helping you with installation ...