Wang Wei,vice general manager of Xi'an Jiaye Aviation Science &Technology Co Ltd,shows media website reporters from all over China on May 22,2014. He demonstrates how to open an escape door,which will be incorporated into a Beijing subway locomotive. Wang said his company,the latest private aviation company in Yanliang,Xi'an Shaanxi province,has adopted some aviation technologies to trains. [Photo by Song Jingli/chinadaily.com.cn] |