Established in August 1988,Shandong Sanwei Oil Enterprise (Group) Co., Ltd. is one of the largest oil enterprises in China.Grade 1 and Grade 2 soy oils, Peanut oil,aroma peanut oil, high-grade cooking oil, salad oil, mixed oil, white soy meal, soy protein isolate, soy isoflavone, feed-grade soybean meal and peanut meal.