A journalist asks questions at a press conference by Zhi Shuping, director of the General Administration of Quality Supervision, Inspection and Quarantine, his deputy Sun Dawei, and Tian Shihong, head of the Standardization Administration of China, on quality improvement for the fifth session of the 12th National People's Congress in Beijing, capital of China, March 14, 2017. (Xinhua/Li Xin)