Sichuan Etrol Technologies Co., Ltd. researches, develops, manufactures, and sells automation products in China and internationally. Its offerings include distributed control systems, remote terminal units, expansion I/O products, instruments, and specialized industrial products for the oilfield, granary, environmental protection, and chemical industries. The company also provides oil and gas products and services such as ground devices, measurement while drilling, natural gas processing, environmental protection, and integration of drilling and completion. In addition, it offers intelligent industry products, digital oil and gas field solutions, water and wastewater solutions, city gas solutions, coal bed methane automation, technical consultation, operations and maintenance, technical training, spare parts management, and performance and upgrade services. It is also involved in non-residential estate leasing, property management, oilfield chemistry products and skid-mounted equipment, engineering construction, building installation, technical services, marketing planning, social and socio-economic consultation services, and development and sales of software systems and cloud computing equipment. The company was formerly known as Etrol Technologies Co.,Ltd. and was incorporated in 1998. It is headquartered in Xuzhou, China.