Barcode management from raw material warehousing to finished product sales to customers; In the process of value conversion of raw materials & work-in-progress & finished products, the bar code is synchronized and converted to form a traceable chain; Every piece of goods in the hands of customers can be effectively traced to the raw material batch & manufacturing & quality personnel; The logistics and information flow in the whole supply chain are synchronized and entangled to ensure the scientific nature of the traceability; PLM system guarantees internal operation coherence and traceability.