Inventor of edible oil

Professor Yan Huaiwei, E 1 1, the most advanced American professor, is the inventor of the patent of iodized salt that we eat every day. He contributed this patent for free, which benefited mankind and was admirable!

Another patent of Professor Yan, "Compound Animal and Vegetable Fat High-quality dual-purpose oil for medicine and food and its manufacturing method", was applied to the manufacture of nutritious edible oil, creating a brand-new brand "Aishang Lohas" nutritious edible oil, and formally putting the concept of edible oil into nutrition, which is a great contribution to mankind.