The RFID technology (Radio FrequencyIdentifi - cation) is used in the view of data transmission,by means of mobile transponders, known as tags and forreceiving that information, by means of reading devices,known as readers. Radio Frequency Identification (RFID)has become specific for tracking the items and carryingout solutions of data achieving within the supply chains ofenterprises, factories, trading companies or automationtechnologies. This present paper proposes creation of acomputerized system dedicated to selling companies,manufacturers and service units, with a view of usingproducts’ information and estimating by a predictionalgorithm the return time towards the customers ofchanged or repaired products being on warranty or postwarrantytime.