Collagen is the main structural protein in the extracellular matrix found in the body's various connective tissues. As the main component of connective tissue, it is the most abundant protein in mammals, making up from 25% to 35% of the whole-body protein content. Collagen consists of amino acids bound together to form a triple helix of elongated fibril known as a collagen helix. It is mostly found in connective tissue such as cartilage, bones, tendons, ligaments, and skin. Hangzhou Ontology Biotechnology Co.,Ltd major in suppling the nutraceutical material. We have a professional, united, aggressive and efficient team with rich experience in the field of nutraceutical material. Our products mainly include amino acid, vitamins, plant extract, special nutrients,finished product and so on.They are widely applied to industries like Food & Drink, Health Care Products, Cosmetics, Feeds and so on. We see quality as life. Our product mainly is from the Well-known factory, listed factory. The products have won a broad range of Third Party Certification, including GMP, USP, EP, ISO, KOSHER, HALAL, FSSCC and so on. Our mission is Integrity, faith, professional, win-win.