Offshore Oil Engineering Co., Ltd. (COOEC) is a leading engineering general contracting company based in Binhai New Area, Tianjin, China. Established in 1973 and publicly listed since 2002, COOEC is recognized for its comprehensive capabilities in offshore oil and gas development. The company integrates the full project lifecycle, offering services in design, procurement, construction, offshore installation, commissioning, and maintenance.

COOEC specializes in Engineering, Procurement, Construction, and Installation (EPCI) services for offshore projects, including platform construction, pipeline installation, and subsea engineering. With a fleet of 19 advanced vessels, COOEC is equipped for complex offshore operations. The company also has extensive manufacturing bases in Tianjin, Qingdao, and Zhuhai, supporting a wide range of engineering activities.

With a workforce of over 9,800 professionals, COOEC serves major clients in the offshore oil and gas industry and has expanded its operations internationally, targeting markets in Southeast Asia, the Middle East, and Africa. The company is committed to maintaining high operational standards and delivering full life-cycle solutions for various energy projects.