What grade does Jiu San belong to?

According to the query of Northeast Network, Jiu San Grain and Oil Industry Group Co., Ltd. (referred to as Jiu San Group) is a wholly-owned subsidiary of Beidahuang Group, the first national key leading enterprise in agricultural industrialization, and a large-scale soybean processing enterprise group integrating trade, industry and agriculture. The main product of Jiusan is soybean oil; Salad oil; Corn germ oil; Sunflower seed oil; Germ oil; Non-genetically modified oil; Corn oil; Soy milk powder, deeply loved by the public, belongs to the public level.