Is the product code serial number the same as the bar code?

Product code serial number is different from barcode. Serial number is the unique code of goods with the same number, which can also be called SN code or serial code. This is the factory number of the goods for accurate management. The traditional meaning of bar code is a kind of number of commodities circulating in different countries, which is printed and pasted on commodities with bar code labels, such as the bar code starting with 69 used in China.