CAF secures maintenance contract from Knorr-Bremse November 12, 2021 | Europe Company News Spain-based company Construcciones y Auxiliar de Ferrocarriles (CAF) and Germany-based manufacturer Knorr-Bremse have signed an eight-year maintenance framework contract, under which CAF will perform ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password