UPC =universal product code commodity universal barcode (after scanning, you can check out and count commodities, etc. )
UPC = universal production code Universal product number (code)
UPC means commodity uniform code in Chinese.
As early as the late 1940s, two American engineers, Joe Woodland and Bunning Silver, began to study the use of bar codes to represent food items and the corresponding identification system equipment, and obtained American patents at 1949.