It is mainly due to the color difference of the natural color products in November, and the standards of the two inspection departments were not unified in March;<br>1. The standard samples of the products shall be bound together with the operation instructions and delivered to the extruder. The extruder shall carry out self inspection on the products before starting the machine to ensure the normal operation of the machine; 2. Strengthen the training on the judgment of appearance skills in the extrusion section;<br>3. Visual management: post the cases with poor product appearance on site;<br>
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