Rice processing; Grain purchase, drying and storage; Rice processing; Raw grain distribution; Bean and potato distribution; Grain import and export trade; Straw packaging; Straw processing; Research and development of convenience food; Food production special equipment, vending machine research and development, manufacturing, marketing; Sales of agricultural products; Wholesale and retail of prepackaged food; Other food (germinated cereal series, germinated beans, germinated peanuts) production.