8502L is a series of sour agent granule products made from malic acid as the main raw material, using the company's original patented technology and equipment, embedded in edible hydrogenated oil. It can be widely used in food and medicine production as acidity regulator, antiseptic and fresh-keeping agent, anti-caking and anti-sticking agent. At the same time, it can also play a slow-release, lasting, soft and anti-sticking effect in the final product.