API program research and application;Salt form & crystal form screening;CMC;Chemical compound synthesis;Consistency evaluation and R&D of generic drugs; R&D of High-end sustained-release preparation ; R&D of Innovative drugs and modified drugs;Quality research;Impurity research: genotoxic impurities, elemental impurities, related substances;Structure analysis and identification of compounds and impurities;Stability research;Standardized test;The E&L study of pharmaceutical packaging/delivery systems;The E&L study of polymeric/plastic components and systems used to manufacture pharmaceutical drug products;The E&L study of single use systems used to manufacture pharmaceutical drug products;The E&L study of infusion device and syring;Chemical characterization of medical device;Biological evaluation of medical devices;Risk evaluation;Biological sample analysis;BIomarker;PK analysis