 In 1986, GRS joined with China National Railway Signal & Communication Group Corporation (CRSC) to form the Chinese-American Signal Company (CASCO) in Shanghai, China, which produces products and systems for railways in the People's Republic of China.In 1989, GRS was acquired by the Italian company Sasib and joined the Sasib Railways group.From its founding until 1993, GRS main office and manufacturing facilities were located at 801 West Avenue in Rochester.