Beijing Zhonghang Dingli Instrument Equipment Co., Ltd. (DLYQ for short) was registered and established in 2016 with a registered capital of 20 million yuan. The company's technical team is composed of experts from the Precision Instrument Department of China Academy of Aeronautics and Astronautics, Tsinghua University, Beihang University, and Beijing Institute of Technology. The company is committed to the research and development, production, manufacturing, and sales of various experimental instruments, and has a professional team for independent software research and development. The company's headquarters is located in the beautiful and rich political, economic, and cultural exchange center of Beijing, with abundant resources and talented people. Since its establishment, the company has maintained a healthy and stable development trend, and has rapidly continued to grow at an average annual growth rate of over%. The perfect customer service system ensures the advanced design, stable quality, timely supply, and thoughtful service of Dingli Instrument products. The company has independent design qualifications. The company has a team of professional employees engaged in design, manufacturing, installation, debugging, and after-sales service. In software design and technical research and development, the company has an expert team of engineers from Tsinghua University and University of Technology, as well as young and middle-aged professional technicians and project personnel who are skilled and innovative; Dingli Instrument adheres to the firm belief of "casting brilliance, only quality". AVIC Instruments is committed to creating a professional and profound brand, continuously improving its products through continuous innovation and deep cooperation with users, ensuring long-term trust from users. Our definition of success may be different, our goal is to become a testing machine with a high secondary purchase rate Z among domestic users, that is, a company with a low user churn rate Z. Looking ahead to the future, AVIC Instruments is guided by the development goal of building a century old enterprise with a strong foundation, comprehensively improving internal control, and continuing to develop according to a professional, large-scale, and capitalized development strategy. At the same time, AVIC Instruments is constantly committed to strong cooperation with well-known enterprise groups, striving to create a better tomorrow for China's precision instrument industry.