Is CSR Beijing Nankou Machinery Factory demolished in Nankou Town, Changping District?

The Nankou Locomotive and Rolling Stock Machinery Factory you mentioned has no such name. Nankou has Beijing Nankou Rail Transit Machinery Co., Ltd., which was founded by the famous patriotic engineer Mr. Zhan Tianyou in 1990 and belongs to CNR. It is the international advanced three specialized production research and development bases of mechanical transmission integrated system, turnout integrated system and wind source integrated system. The company is located in Changping District, Beijing, with more than 2,000 employees and a workshop area of 960,000 square meters.