Leon (Nanjing) Biotechnology Co., Ltd., Leonbiotech Established in 2014, is certified as“Nanjing peptide engineering R&D center”, devoting to the production and R& D of peptides which are applicated to cosmetic, medicine, scientific research and other fields. Leon provides excellent peptide products (for cosmetic, API, research use , and also peptides custom service , CRO, CDMO etc ) for worldwide customers from mg to kg. The Company has GMP plant and many state-of-the-art and highly sophisticated peptide instruments including HPLC, LC-MS, GC, DAC, CHN elemental analyzer etc, and provides professional testing reports for customers. The Company has professional and experienced R&D and production teams, professional and enthusiastic sales team, Providing excellent quality peptides and enthusiastic service for each customer.