Pure. Qingdao Xiyan peanut oil is pure, because it is fresh and full of high-quality peanuts. Immature, damaged, moldy and aged peanuts must not be used for production. Xiyan peanut oil is produced by Qingdao Tianxiang Food Co., Ltd., which can process peanut oil and peanut products10.5 million tons per year on average, and has passed the international quality management system certification such as ISO900 1.