Shanghai Runjing Biotechnology Co., Ltd. (hereinafter referred to as Shanghai Runjing) was one of the first companies to engage in the research, development, and production of animal protein glue and jelly glue. Since its inception, the company has consistently invested resources in the development and formulation improvement of animal protein glue and jelly glue products, helping print finishing and packaging customers enhance their overall production processes before, during, and after printing. Shanghai Runjing is currently one of the most advanced professional manufacturers of animal protein adhesives and jelly adhesives in China. It possesses state-of-the-art and extensive production equipment, assembly lines, thus enabling specialized and standardized production of animal protein adhesives and jellies.