China Petroleum Engineering & Construction Corporation (CPECC) is a prominent subsidiary of China National Petroleum Corporation (CNPC), based in Beijing. Established in August 1998, CPECC specializes in engineering, procurement, and construction (EPC) services for the oil and gas industry. The company focuses on oilfield services, pipeline construction, refining, chemical engineering, and environmental project management.

CPECC's core business segments include oil and gas field surface engineering, refining and chemical engineering, pipeline and storage engineering, and environmental engineering. The company operates in over 40 countries and has undertaken significant projects, such as the Artawi Gas Processing Plant in Iraq. With a workforce of over 38,000 employees, CPECC reported revenues of approximately RMB 135 billion (~$20.7 billion) in 2022.

CPECC is committed to delivering quality, safe, and environmentally friendly services. The company aims to expand its international presence and contribute to global energy security through innovative and sustainable practices. It serves a diverse customer base, including national and international oil and gas companies and energy infrastructure developers.