Shanghai Automation Instrumentation Co., Ltd. is a subsidiary controlled by Shanghai Electric Group, a listed companies issuing A shares to domestic and B shares to foreign, and a large state enterprises. The company has set up "Technology Center", "Marketing Center", "Sales Company", "Systems Engineering Company", "DCS branch", "Import and Export Department," and "domestic spare parts department", totally 18 factories, 21 joint ventures. The main products are industrial production process control system devices and instrumentation analytical instruments, automotive electronics, computer, building control systems, commercial and financial automation systems, programmable logic controller (PLC), household appliances and instrument control cabinet, various instrument components and pneumatic elements. In the industrial production process control, there are 20 categories, 150 series, and more than 3000 kinds of species, having a decentralized control system (DCS) as the modern industrial process control, and various control, regulate, temperature, measurement, display, recording instruments, as well as actuators and the regulating valve and so on. The "Marketing Center" of Shanghai Automation Instrumentation Co., Ltd. , established in 1995, after many years of market-oriented operation, now becomes a comprehensive service company integrating company's spare parts, project market management, sales, technical support, and after-sales service as one.