AMOYTOP BIOTECH is the leading manufacturer of recombinant proteins in China, producing Molgramostim (gm-csf), Filgrastim (g-csf) and Oprelvekin (Interleukin 11, IL-11) as finished formulation and raw material in bulk; and Interferon alfa 2a, Interferon alfa 2b, Interferon gamma, Interleukin 2 (IL-2), Interleukin 4 (IL-4), Interleukin 3 (IL-3), rHuM-CSF, SCF, rHuGH, rHu-SOD and other bio-products as bio-reagent, with high purity and stable quality at competitive price. AMOYTOP is the first and largest company to launch domestic Molgramostim in China in 1997. We are the Molgramostim Reference Standard supplier to the National Institute for the Control of Pharmaceutical and Biological Products. SDA of China has granted AMOYTOP the Certificate of GMP.