Beijing TopoSynBio Technology Co.,Ltd. is a synthetic biotechnology enterprise with pioneering technology in protein skeleton design and stability modification. Relying on the transformation of production, education and research achievements of Peking University and the advantages of cooperation with Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, TopoSynBio currently has the process route design, enzyme screening, enzyme directed evolution and batch production capacity of various enzymes used in fine chemical industry, covering mainstream ketoreductase, aminotransferase, hydrolase, BVMO monooxygenase, imine reductase, amino acid dehydrogenase, enoreductase, etc. TopoSynBio Laboratory has the ultra-high throughput screening capacity , and the fermentation production capacity of 10L-2000L/batch, which can provide a leading and efficient downstream innovative drug, API, CDMO and other pharmaceutical or fine chemical enterprises and can customize high-value intermediates related to cooperation. In addition, TopoSynBio also has the research, development, design, and production capabilities of various cytokines such as IL-2 and IFN, especially long-acting cytokines.