Gelatin is a protein extracted from the skin and bone of animals. In daily life, people divide gelatin into edible gelatin, medicinal gelatin, photographic gelatin and industrial gelatin. Among them, for industrial gelatinit is divided into skin glue, bone glue. and hot sol powder, protein glue, feed glue, match qlue and so on. Industrial gelatin, is a light yellow or brown granular, no unpleasant smell, no visible impurities. It is an ideal protein source