In 1972 through the 80's, Damy designed the Vida double toad "Damy" which is intended for heavy traffic and low speed uses. The toads' rehabilitation system is also developed, being installed in their place of source. The company also manufactures parts for the express and passenger car Trucks, such as: Bolts, Setbacks, Connecting Rods, Chasers and parts in general for the Pullman Car Braking System.
In 1994, commercial relations were initiated with the ABC Rail Products Corporation of the USA. based in Chicago, due to the requirements of new specifications requested by Ferrocarriles Nacionales de México. In 1997 the two companies established a relationship through a joint venture, which ended in 2000 and Damy established his own marketing strategy with potential North American and Canadian clients.