A wide range of automation products, thermocouples, pressure transmitters, flow meters, level-measurement devices, electric actuators, and control valves, is the field Shanghai Automation Instrumentation Co., Ltd. leads as a leading Chinese maker and an industry benchmark, serving thermal-power, nuclear-power, petrochemical, metallurgy, and environmental-protection customers. Established in 1925, it offers more than 20 product categories, 150 series, and 3,000 varieties supporting modern industrial process control, including distributed control systems (DCS). One of China's '500 largest industrial enterprises' and a high-tech enterprise, it exports to countries such as the United States, Japan, and Indonesia, and certified by the Shanghai Municipal Government it emphasizes technological innovation, quality, and comprehensive system integration, serving clients such as Zhejiang Huaneng and Qinshan Nuclear Power.