In the storage section of the seller, it must give the customer can call in some parts of the page, the code will be stored in the system log, and the name of the seller in that system.
The retention of suppliers, customers need to contact some of the pages within the system, but the login ID and the name of the product in that system.
In the data collection of the product seller must provide customers can contact them in some of the pages within the system but will keep the code to the system and the name of the product seller in such system.