RKFL started its journey with Indian Railways as its key customer. It started off with supplying undercarriage and safety critical parts like screw coupling and hangers for bogie bolsters for the conventional coaches. The entry into heavy metal fabrication was with the objective of garnering a lion's share of the market which the new and improved LHB coaches have brought. Today RKFL is supplying to all divisions of the Indian Railways and enjoy approval status for critical components like Bogie Bolsters and Bogie Frames. World-class facilities and manufacturing systems, helps RKFL in delivering better quality products to the Indian Railways