Anton Oilfield Services Group is an investment holding company primarily engaged in the provision of integrated oil and gas field development technical services covering the entire life cycle of oil and gas field development. The Company operates through four segments. The Oilfield Technical Services segment is engaged in full life cycle of oil and gas development, including geological technology, drilling technology, well completion and stimulation technology as well as asset leasing services for the industry. The Oilfield Management Services segment provides integrated field management services, production capacity construction, development management, field operation and maintenance, and others. The Drilling Rig Services segment provides customers with drilling and workover services. The Inspection Services segment provides customers with various assets inspection, detections and repairing services together with digital and intelligent transformation solutions.