... easy to clean, prevent your material from contamination of foreign substances; 2, The frame is of framework design, solid and durable; 3, ... force and stable function; 4, The vertical shape allows narrow space of plant, save room.; 5, Mixing in a closed tank, ... 7, Oil filler and material discharging device are designed at frame bottom, with durable heavy-duty bearings.8. Discharging opening at ...