Shanghai Sridal Industrial Co.,Ltd. is a leading manufacturer of high performance protein glues in China.Protein glues are a type of glue also referred to as animal glue or hide glue. It is protein-based gelatin glue. This term originates from the source of the gelatin used to manufacture this glue, which is typically protein gelatin extracted from the hides and bones of animals.Animal gelatin protein is processed into different grades of quality for use in food, pharmaceutical and industrial products. The gelatin used in protein glue is industrial grade and usually referred to as technical gelatin. In addition to gelatin, the other common raw materials in protein glues include water, corn sugar and glycerin.Shanghai Sridal Industrial Co.,Ltd. has many years of experience in manufacturing and delivering quality and environmentally friendly protein glues in helping customers in printing and packaging industries to address their wants and needs.