In November 2011, Offshore Oil Engineering Co., Ltd Saudi Branch (COOEC) was registered in Daman, Saudi Arabia, which is an important layout of COOEC to develop the Middle East regional market. COOEC is the largest EPCI Company in China, integrating the design of offshore oil and gas development projects, onshore construction and offshore installation, commissioning, maintenance, LNG and refining projects, and is one of the largest and most powerful EPCI contractors in the Far East and Southeast Asia region. Since its establishment, COOEC Saudi Branch has achieved large projects such as KJO project, WASIT installation project, CRPO3648 project and MARJAN P1 projects in Saudi Arabia.

Drilling oil wells drilling natural gas wells services related to oil extraction except for survey services installing pipes of various kinds for electricity communications and others installing oil and gas pipelines constructing port berths and marine constructions cleaning waterways constructing breakwaters and protection for piers.