Oilfield development and production technology services: covering reservoir evaluation, scheme design, drilling and completion services, production enhancement measures, and production optimization, etc
Oilfield chemicals and oilfield services: providing professional chemicals and supporting technical services such as enhanced oil recovery, drilling fluids, completion fluids, and production fluids;
Oil and gas energy equipment and services: involving the supply, operation and maintenance, technical consulting, and engineering services of key equipment such as drilling and repair machines, fracturing units, etc
Petroleum refining and chemical technology services: including process optimization, catalyst application, device diagnosis and configuration, integrated refining and chemical engineering services, project operation services, and environmental protection solutions.