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, take questions at a press conference on quality improvement for the fifth session of the 12th National People's Congress in Beijing, capital of China, March 14, 2017. (Xinhua/Zhao Yingquan)
