Rongcheng City is located at the easternmost end of Shandong Peninsula, between 122 09'- 122 42', and 36 43'- 37 27'. South, north and East are bordered by the Yellow Sea, across the sea from Korea and Japan.        Rongcheng City is a warm temperate monsoon-type humid climate zone, with distinct seasons, warm winter and cool summer. The average annual temperature is about 12 C, the average sunshine is about 2600 hours, and the average annual rainfall is about 800 mm. Most of the soil in Rongcheng area is sandy soil and sandy soil. The soil is loose and has good air permeability. It is especially suitable for the cultivation and cultivation of large peanut in Rongcheng, and it is the best place for the growth of large peanut in the world. 

      The "Rongcheng Big Peanut" planted in our base is large, slender, full-grained and tastes pure. Sugar content ranks first among many producing areas. Sugar value can reach 6.87, which is 60% higher than that of ordinary peanut, and fat is 5% lower than that of ordinary peanut. Because of its high sugar content, low fat and sweet taste. The ratio of oleic acid to linoleic acid is 50% higher than that of common peanut. Because of the high ratio of oleic acid to linoleic acid, the Rongcheng peanut planted in our base has the unique excellent quality of antioxidant, tasteless and long storage time.