The company's CDMO business model is a pharmaceutical outsourcing service model integrating R&D and production. In a gradual way, the company has carried out the scale up from kilogram to ton, and finally realized the large-scale production of products: in the pilot stage, the company mainly carried out molecular validation, process route exploration and research and development, and completed the stability experiment and kilogram validation of products; In the pilot stage, the company conducts step by step scale-up test, and adjusts and optimizes the process according to the actual situation and relevant problems in the scale-up production process; In the trial production and process validation stage, the company determines the process parameters suitable for the commercial production equipment and forms a relatively complete process procedure. On the basis of all the above R&D and production work, the company finally realizes the commercial batch production and sales of products.