National Center for Electron Microscopy in Beijing is a large national scientific instrument center. The guiding principle of the center is to promote high-quality technical services with high-level scientific research. After long-term efforts, the center successfully established the first sub-Angstrom resolution structural analysis platform in China. The center is undertaking teaching, research, and service tasks, covering materials science, physics, chemistry, and electronical engineering. The center supported numerous national research projects and achieved first-class scientific research results. Over the past decade, more than 800 people have been trained in the center, more than 80 Ph.D. and master students have graduated from the center, and 3 of them have won the National Outstanding Doctoral Dissertation Award.