China Petroleum Engineering Corporation provides energy engineering services. The company is involved in onshore and offshore oil and gas engineering design consulting, engineering contracting, construction and manufacturing, and operation and maintenance; and chemical refining and engineering activities. It also engages in onshore and offshore oil and gas pipeline projects, chemical petroleum storage project construction, oil and gas long-distance pipeline engineering technology, sea pipeline engineering, marine pipeline survey and measurement, design and construction, construction of medium and deep water marine pipelines, and transportation of hydrogen and CO2, as well as LNG receiving station engineering. In addition, the company develops textile and chemical fiber and synthetic materials, aromatics engineering and other products; provides scientific research and development, preliminary consultation, engineering design, material procurement, construction start-up, engineering contracting, and operation management services; and industrial wastewater treatment and reuse, industrial tail gas treatment, VOCs control and management, oilfield sludge treatment, hazardous waste resource utilization, reduction and harmless treatment, as well as water and soil remediation services.