According to Yu Yi, board chairman of Offshore Oil Engineering Co., Ltd., after more than ten years of technological innovation and breakthrough, Offshore Oil Engineering has successively developed many float installation technologies, such as conventional high level float, ultra shallow water float, T-barge float, low level float and dynamic positioning ship float, and has completed 28 float installation operations with a total weight of nearly 400,000 tons, equivalent to 9.5 times the steel structure weight of the National Stadium known as Bird's Nest. It allows all-weather, full sequence, all sea area floating and construction. At the same time, Offshore Oil Engineering is in the forefront of the world in the number of float types, operation difficulty and technical complexity, and has built a beautiful brand of Chinese enterprises in the float field all over the world. In the future, Offshore Oil Engineering will continue strengthening the core technical ability of deep-sea oil and gas resource development, strive to be the vanguard in scientific and technological innovation and oil and gas reserve and production increase, and make important contributions to promoting the high-quality development of the marine equipment industry of Tianjin Port Free Trade Zone, Tianjin City and even the whole country and ensuring national energy security.