Query method of material code of Unicom cooperative commodity agreement

According to the needs of coding work, the query method of Unicom cooperative commodity agreement material code can extract 1 person from various departments of the enterprise (such as development department, technology department, quality department, material department, etc.). ) coding group, and appointed coding group leader, responsible for the whole coding work. Collect all kinds, specifications and models of existing materials. Sort out and classify the collected data to determine the large, medium and small categories. And predict the new categories that may appear in the future, and need to leave some space for future insertion.