诚达药业：公司目前小核酸业务主要为亚磷酰胺单体和GalNAc递送系统

Group 1 - The core business of the company currently focuses on small nucleic acids, specifically phosphoramidite monomers and GalNAc delivery systems [1] - The pricing for different monomers and delivery systems varies, with delivery systems being priced higher than monomers [1]