Introduction to Youfang Deruiheng: Laoyoufang Deruiheng integrates production and sales. There are mountains of rapeseed inside. You can see the sun-dried rapeseed being sifted, the stone mill crushing the rapeseed, and the steamer steaming the vegetables at high temperature. The process of pressing rapeseed oil from seeds and embryos and repeatedly pressing them into pure edible oil. The traditional pressing process ensures the nutrition, purity and health of the product. It does not contain any additives. The oil is clear and bright, with a strong fragrance and mellow quality.