Universal Product Code (UPC) is a standardized barcode system that uniquely identifies individual products, enabling automated scanning, tracking, and inventory management throughout the supply chain. UPCs are essential for ensuring product traceability from manufacturers to retailers and end consumers. In logistics, UPCs enhance warehouse efficiency, reduce human errors in order fulfillment, accelerate shipping and receiving processes, and improve stock accuracy. They are widely used in retail, e-commerce, and transportation to enable real-time inventory visibility, streamline replenishment, and ensure compliance with global supply chain standards.

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