Deputy ministerial level unit. The State Grain Administration is an administrative agency managed by the National Development and Reform Commission that is responsible for the specific business of macro-control of national grain circulation, industry guidance and the administrative management of central grain reserves. The State Grain Reserves Bureau is a deputy ministerial-level unit. In March 1993, according to the institutional reform plan of the State Council approved by the First Session of the Eighth National People's Congress, the Ministry of Commerce and the Ministry of Materials were abolished, and the Ministry of Domestic Trade was established. The former Grain Comprehensive Department, Grain Purchase and Sales Department, Grain Storage and Transportation Bureau, and National Grain Reserve Bureau merger.