As an ISO 9001 certified company since 1998, we have since then made safety-critical fasteners our specialty. Also known as a reliable supplier and manufacturer. The LANFRANCO’s product range is as diversified as specific, due to the large diversity of applications and will make any critical bolted assembly secure. The use of LANFRANCO’s self-locking nut increases the safety of the rolling stock as well as the track. Many applications as splice joint bar, crossings, signaling, catenaries and electrical connection depend on a good assembly. This is where the company J. LANFRANCO intervenes with its experience and its products adapted to the railway sector whether it is construction or maintenance, track or rolling stock, freight or passenger. In the Spanish market most manufacturers trust us to improve the structure of passenger cars, the safety of bogies, the maintenance of freight cars.