When comes to Manufacturing , to integrate with CAD/CAM is a great combination for ERP solutions , we had our experiences in using Solid Edge and Team Center Express that export Bill of Material files and import those items into OpenERP , if you want to know what is it about , it is something like this youtube,

you can take a look at it and for SME to acquire this kind of engineering drawing and version control for ECR, ECN management with ERP solutions are no longer just the game of MNC but available for SME in Malaysia and Singapore . The only question ask , are you prepared and ready for OpenERP ?