AMOYTOP BIOTECH, the leading manufacturer of recombinant bio-pharmaceutical products in China with cGMP, produces Molgramostim, Filgrastim, Oprelvekin, Interferon alfa-2a, Interferon alfa-2b, Interferon gamma, Interleukin-2 and Somatropin, and provides bio-reagents, such as Interleukin-4, TNF, and recombinant human SOD. AMOYTOP is also developing Y-shape branched PEG Drug Delivery Technology in: Pegfilgrastim, Peginterferon alfa-2a, Peginterferon alfa-2b, PEG-somatropin and PEG-EPO. AMOYTOP also provides service as Contract manufacturer and Contract research according to different requirements.