The UPC bar code is a bar code for goods, mainly used in the United States and Canada. The UPC bar code is a bar code developed by the United States Uniform Code Committee. Some of China’s exports to North America need to apply for UPC barcodes in order to meet the needs of North America. UPC barcodes are also available in standard and shortened versions. The standard version consists of 12 digits. The shortened version consists of 8 digits, which is better than the standard version. One less EAN barcode, shortening the number of digits
EAN barcode is a barcode developed by the International Article Numbering Association. It has been distributed in more than 90 countries and regions around the world. EAN barcode symbols are available in standard and shortened versions. The standard version consists of 13 digits. The shortened version is composed of 8 digits. Digital composition, China joined the EAN organization in 1991.
EAN and UPC are essentially indistinguishable, except that EAN has 13 digits and UPC has only 12 digits. The extra one is part of the national code, indicating the registered area of the barcode. The national code does not indicate where the product was produced. UPC and EAN are interchangeable. Simply add a zero to the first digit of the UPC encoding to convert it to EAN, which is quite simple.