Sampling inspection applied to ensure grain quality in Ningxiang, C China's Hunan

A worker from Ningxiang subordinated storehouse of China's state grain stockpiler Sinograin monitors the condition of the grain storehouse in Ningxiang, central China's Hunan Province, July 30, 2019. The sampling inspection is applied to ensure the quality of the grain being stored, followed by a series of advanced technologies used to keep the grain from deterioration. (Xinhua/Xue Yuge)