Sichuan Etrol Technologies. 

Sichuan Etrol Technologies Co., Ltd., founded in 1998 and based in Beijing, China (formerly Etrol Technologies Co.,Ltd.), is a prominent Chinese entity focused on developing, manufacturing, and marketing sophisticated products and integrated solutions for industrial automation, intelligent operations, and the oil and gas industry. The company's core offerings include essential hardware like distributed control systems (DCS), remote terminal units (RTUs), expansion I/O modules, and diverse instrumentation. These are often integrated into specialized industrial solutions designed for smart production and development across various sectors such as oilfields, grain storage facilities, environmental protection, and chemical processing. Etrol Technologies also provides advanced system implementations, featuring supervisory control and data acquisition (SCADA), safety instrumented systems (SIS), fire and gas (F&G) detection, emergency shutdown (ESD), security monitoring, and dispatch management. Specifically for the oil and gas sector, their portfolio extends to ground equipment, measurement-while-drilling (MWD) technologies, natural gas processing solutions, and environmental protection initiatives, complemented by integrated drilling, completion, and fracturing services. Additionally, the firm develops three-dimensional ecological monitoring networks with dynamic data application platforms. It delivers comprehensive intelligent and informationalized solutions for grain storage and transportation, alongside versatile monitoring and control systems. Leveraging cutting-edge technologies such as the Internet of Things (IoT), cloud computing, communication protocols, and intelligent manufacturing principles, Etrol also produces innovative smart products for campus environments and water management. Beyond its products, the company offers a broad spectrum of solutions covering diverse applications, including oil and gas fields, water and wastewater management, urban gas distribution, coal bed methane extraction, oil production technology, EPC (Engineering, Procurement, and Construction) projects, and smart park and city infrastructure. Its comprehensive service portfolio includes operation and maintenance, technical advisory, investment facilitation, engineering design, system integration, solution deployment, construction, equipment installation and commissioning, spare parts logistics, and performance optimization and upgrades.