Shanghai Perno Biotechnology Co., Ltd. Is headquartered in Shanghai Pilot Free Trade Zone, with R&D centers in Nanjing, Guangzhou, Shenzhen and other places. The company is committed to liquid chromatography consumables, enzyme fermentation and purification, nucleoside products research and development and services. The product line covers liquid chromatography fillers, liquid chromatography columns, nucleosides and nucleotide modifiers, heterocyclic and carbohydrate compounds, new generation of antiviral and anti-tumor drug intermediates, and provides customized services in modified nucleosides, nucleotides, phosphosamides monomers, fluorescent products and other fields.