China's Top Provider of Fish Collagen Hydrolyzed Beijing Semnl Biotechnology Co., Ltd., a prominent high-tech company, was founded in Beijing in 2006 and is primarily focused on the creation, manufacturing, and distribution of products made from hydrolyzed collagen. Fish scales and bovine skin/bone gelatin are the sources of our hydrolyzed collagen products. Chicken cartilage is the source of hydrolyzed collagen type II, which is extensively utilized in nutrition, cosmetics, and health products made by numerous globally recognized brands.