AutoCad P&ID data exchange with Windchill

PTC is not supporting Windchill integration with AutoCad P&ID. 

We would like to exchange data between AutoCad P&ID and Windchill. Idea is to do a data export from AutoCad P&ID and create wtParts with metadata (using parts classification) and Bill of Materials in Windchill.

We are looking for companies investigating simular functionality and/or having experience realisation this data exchange. Please share your experience and/or solutions.