Luban: born in Tengzhou, Zaozhuang, DongTeng donkey hide gelatin is deeply influenced by the sages. It is determined to take all living beings in the world as its mind, inherit its ingenuity spirit, be pragmatic and innovative, and do a good job in products. 

       Donkey hide gelatin is made by combining water and fire. Water is the soul of glue. Good water makes good glue. DongTeng donkey hide gelatin was refined with mountain spring water in ancient times. The most famous are the local Shuanglong spring and Jingquan spring. The water quality is sweet and there are many mineral trace elements, which is not only beneficial to the purification and impurity removal in the refining process of donkey hide gelatin, but also more beneficial to health due to the many trace elements such as calcium, magnesium, strontium and zinc. Now DongTeng donkey hide gelatin still retains the tradition of taking mountain spring and worshiping heaven and earth to refine glue. 

      The adult black donkey skin produced in Shandong, northeast and other places is selected, with good colloid and traceable source; The leather sheet is complete, with few impurities, no moth, no corruption, no illegal additives, and all kinds of adulteration are eliminated; Carefully select thick black leather glue, upgrade from raw materials to ensure quality. DongTeng donkey hide gelatin has always strictly adhered to the glue standard for 40 years, and the whole domestic black donkey skin is strictly selected. Inherit the ancient technique of "nine lifting and nine Moxibustion". With 30 years of experience, the master of glue boiling is ingenious and refined, so that consumers can choose and eat at ease. 

       After 200 years of donkey hide gelatin family, seven generation of glue making process, three steam and nine refining, extract gel essence, integrate modern technology, and 99 processes refining Ejiao.