ANDESUN Technology (including Jiangsu ANDESUN Accelerator Co., Ltd., Nanjing Proton Source Engineering Technology Research Institute Co., Ltd., Yuhuan ANDESUN New Material Technology Co., Ltd., etc.) is a high-tech enterprise founded by Academician Sun An's team in 2011, specializing in the research and manufacturing of charged particle accelerator components, microwave components, PVD coating technology and related equipment. It is a high-tech enterprise in Jiangsu Province, a technology-based small and medium-sized enterprise in Jiangsu Province, a small giant enterprise in Jiangsu Province, a graduate workstation in Jiangsu Province, an engineering center in Nanjing City, a post doctoral workstation, an enterprise expert studio, and an AAA level brand enterprise in quality service integrity in Jiangsu Province. The company has passed the IS09001 quality management system certification and is a qualified supplier to dozens of enterprises, including China National Nuclear Corporation. The company's technical team consists of 2 nationally appointed experts, 1 academician of the Russian Academy of Natural Sciences, 9 professors and researchers, and 5 associate professors and senior engineers.

Since its establishment in 2011, the company has accumulated rich experience in the design and manufacturing of ion sources, superconducting cavities, room temperature resonators, electron sources, and more than 40 different types of beam position detectors (BPM), ACCT, Feedthrough, PVD coating equipment, and other products, and can provide comprehensive services to users. After years of research and development, as well as market cultivation and expansion, the company's product quality and services have been widely recognized by customers, with a satisfaction rate of over 98%. The products have been used by many research institutes of the Chinese Academy of Sciences, the China Academy of Engineering Physics, the China Institute of Atomic Energy, the University of Science and Technology of China, Tsinghua University, Harbin Institute of Technology and hundreds of enterprises, which fully meet the technical requirements and reach the international frontier level.