A slide during a presentation by KTK Group Co. Ltd.,showing the different products used in building a railcar, as local suppliers were onhand Thursday at the Sheraton Hotel ,to listen to CNR MA corporation , a joint venture of China CNR Corpporation and CNR Changchun Railway Vehicles and its subcontractors, during an event  co-sponsored by the Economic Development Council of Western Massachusetts and the National Tooling and Machining Association.  ( MARK M.MURRAY / THE REPUBLICAN)