This is some general information about commodity barcode for reference.
Code – barcode is one of the recognition technology and automated data collection based on principle: setting for the object needing to manage a range of numbers (or range of letters and numbers), then expressing under the form of a barcode so that the scanner can read. In the management of goods, they call that range of numbers and that range of lines as code – barcode of commodity.
In order to facilitate and enhance productivity and efficiency in sale and store management, they often print on goods a special type of code called code - barcode of commodity. A commodity code-barcode includes two parts: Code of goods and barcode is the show of code via lines so that scanners can read.