Chinese Premier Li Keqiang (2nd R, front) views ultra precision CNC machining parts during an inspection to Tianjin University of Technology and Education in Tianjin, north China, Sept. 8, 2017. Li made an inspection here on Friday and stressed the importance of vocational education in boosting products made in China. During his inspection, the premier extended festive greetings to the teachers ahead of National Teachers' Day, which falls on Sept. 10. (Xinhua/Zhang Duo)