Hangzhou Changxi Pharmaceutical Co., Ltd. focuses on the research and development and industrialization of innovative biopharmaceuticals, and its core business focuses on the research and development of innovative drugs for diseases that seriously affect the quality of human life, such as respiratory diseases. There are a large number of patients with respiratory diseases in China, and the drug delivery system for respiratory diseases has broad prospects. With the improvement of people's health awareness and the continuous progress of medical technology, the demand for treatment of respiratory diseases is increasing day by day, and the market potential is huge. Hangchangxi Pharmaceutical has invested heavily in R&D, has high-quality R&D team and advanced R&D equipment, has good R&D capability and industrialization foundation, and is expected to achieve more achievements and market share in the field of respiratory diseases.