For surface treatment, there is one manual pretreatment line, one full-automatic spraying line (two-way 50 meter assembly line oven), two manual spraying lines (equipped with 3 meter wide and 6 meter wide bread ovens), and one full-automatic spraying line (equipped with full-automatic spraying reciprocating machine and large cyclone automatic recovery system, two 7 Rice noodles cabinets and ovens with a two-way length of 70 meters).