Are you asking why ean codes can be generated and used by network bar code generators? The coding method of EAN code is complicated and needs professional coding software or generator to complete. EAN barcode coding method is complex and needs special coding method to generate, which is a technical problem for many enterprises. In order to solve this problem, the network bar code generator came into being. Network barcode generator can efficiently convert commodity information into EAN codes and generate corresponding barcodes, which greatly facilitates the production, sales and inventory management of enterprises.