Gelatin (Hide glue) is a kind of protein based animal glue produced from pig and bovine skin and bone. By multiprocessing, it is ground into a kind of primrose yellow, semi-transparent particle without odor and taste. And it is dissolved in water and condensed after cooling without any antisepsis or other harmful contents and can swell & emulsify after absorbing 5~10 times cold water of its weight. Gelatin is commonly recognized as an environmentally protective product in the global market. It is widely used as main raw material in the industry of packaging, bookbinding, adhesives, emulsifying agent, cosmetics, etc.. Gelatin (Hide glue) is used in the industries of emery cloth & sandpaper, dyeing & weaving starching, polishing, wooden furniture, handicrafts, colored carton box, and bookbinding.