The exchange of product model data becomes a key issue in the globalized enterprise environment. But there is no clear solution to share heterogeneous information resides in diverse information resources. To share automotive product information among different organizations, a reliable neutral information standard and communication methods are needed. World wide sharing of automotive product information can be implemented by the STEP AP214, the standard for exchanging automotive product model through its whole life cycle. This thesis suggests an automotive PDM implemented on the internet based on the STEP AP214. Physical files containing different design data can be shared on the internet using JAVA applets.