Offshore Oil Engineering Co.,Ltd engages in the design, procurement, construction, offshore installation, commissioning and maintenance of offshore oil and gas development projects in China and internationally. It engages in the general contracting; design of oil and gas, and construction projects; planning and evaluation consulting of oil and gas projects; construction of various types of offshore oil construction projects and other marine projects, and land-based petrochemical projects; production and installation of various steel structures and grids; design and manufacture of pressure vessels and pipelines; and research and development, manufacture, and sales of electric and instrumentation automation products, quality control and inspection, physical and chemical, measurement and mapping, and related technical services. The company is involved in the export of products and technologies; the import of raw and auxiliary materials, instruments and meters, machinery equipment, spare parts, and technologies; contracting of offshore oil projects and domestic international bidding projects; contracting survey, consultation, design, and supervision of the projects; exporting of equipment and materials; dispatching of laborers; domestic coastal general cargo ship transportation; international general cargo transportation; leasing of owned houses; and the sale of steel, pipe fittings, cables, valves, instruments, hardware, and electricity. In addition, it offers non-destructive test services. The company was founded in 2000 and is headquartered in Tianjin, China. Offshore Oil Engineering Co.,Ltd operates as a subsidiary of China National Offshore Oil Corporation.