Nanjing Cellnuo Biopharmaceutical is a peptide manufacturer based in China (Nanjing). Direct manufacturer. Holds US DMFs for semaglutide, tirzepatide, retatrutide API.
Listing reviewed October 2026.
Nanjing-based biopharmaceutical company making insulin analogues and metabolic peptide APIs by genetic engineering, and offering technology transfer to drug manufacturers. Holds active US Drug Master Files for retatrutide, semaglutide and tirzepatide API. No FDA inspection is on record.
Directory assessment: Nanjing Cellnuo Biopharmaceutical is listed as a manufacturer in the peptide supply chain, serving Asia markets from China (Nanjing). As a direct manufacturer, this supplier controls its own production process from synthesis through purification and quality control release testing. This profile lists 2 sources for reference. This supplier has a medium confidence score — verification signals are present, but the listing is newer or less documented; perform standard due diligence before engaging.
DMF numbers from the FDA quarterly DMF list. A filed DMF is not FDA approval; its contents are confidential. Reviewed 2026-10-23.