1. Audit injection cosmetics cosmetics packaging hose production mold figure, pay attention to the parts assembly relation is clear, cooperate are accurate, whether standard parts is complete, with details such as whether the serial number corresponding.
2. Part drawings audit, whether the size tolerance, form and position tolerances and assembly drawing, parts of material to choose whether or not appropriate, heat treatment and the rough request is reasonable, the molding parts is easy to wear place is reserved for grinding.