In order to ensure the quality of the grain, corn, rice, and wheat all have different storage cycles and are measured annually for quality. According to the requirements, corn is rotated for 2 years, rice for 3 years and wheat for 5 years respectively. Through this kind of year-round purchase and sale rotation, it is ensured that the reserves of grain and oil are always new and of good quality.

Food reserves are of great significance to national security. China successfully responded to the global food crisis in 2008 after enduring the severe tests of Wenchuan Earthquake, the snow and ice disasters and other recurring natural disasters. During COVID-19, Chongqing also ensured that “food reserves are the best guarantee” -- all kinds of grain depots are sufficient. (Translated by Wang Huixin, Fathom Language Limited)

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