Profile: Shanghai Sridal Industrial Co.,Ltd. is a manufacturer of high performance protein glues. 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.