Sun Jingnan (right) introduces the current development of CRRC Nanjing Puzhen Company at a workshop on May 24, 2017. CRRC Nanjing Puzhen Company, founded in 1908, is an enterprise that specializes in the research and manufacture of rail transport equipment in China, and is a first-class, large-scale company in China's railway equipment manufacturing industry. [Photo provided to chinadaily.com.cn]