Informational vertical solution to support the purchase and sale of automotive spare parts (distributors, spare parts dealers, mechanics,...). It enables the integration of the TecDoc catalog of spare parts and ERP TRONerp, which means that the search for spare parts in TRONerp is carried out using the TecDoc catalog. It also enables the integration of the TecDoc catalog into the B2B online store and offers users of the B2B portal the opportunity to find a suitable car spare part themselves.