Sichuan Etrol Technologies Co., Ltd. manufactures and sells smart industry, automation, and oil and gas products and solutions in China. The company offers distributed control systems, remote terminal units, expansion I/O products, and instruments, as well as specialized industrial products for the intelligent production and development in the oilfield, granary, environment protection, and chemical industries. It also delivers supervisory control and data acquisition, safety instrumented, fire and gas, emergency shutdown, security monitoring, and dispatching systems. In addition, the company offers oil and gas ground devices; products for measurement while drilling; and natural gas processing, and environmental protection in oil and gas, as well as integrated drilling and completion, and fracturing services. Further, it provides three-dimensional ecological monitoring network and application platform for dynamic data; integrated solutions to customers in informationalized and intelligent, and grain storage and transportation industries; and multi-purpose monitoring and control systems. Additionally, it offers technologies of Internet of Things, cloud computing and related equipment, communication technology and relevant products, intelligent manufacturing, etc., as well as smart campus and intelligent water products. The company also provides oil and gas field, water and waste water, city gas, coal bed methane, oil production technology, EPC, and smart park and city solutions. In addition, it offers operation and maintenance, technical consultation, investment, engineering design and system integration, solution and implementation, construction, equipment installation and commissioning, spare parts management, and performance and upgradation services. The company was formerly known as Etrol Technologies Co.,Ltd. The company was incorporated in 1998 and is based in Beijing, China.