China Ocean Engineering Co., Ltd. (holding company of Shanghai Salvage Bureau of the Ministry of transport), established in Beijing with the approval of the State Council on May 30, 1981, is subordinate to the Ministry of transport. On June 30, 2016, it was restructured into a limited liability company under the management of Shanghai Salvage Bureau of the Ministry of transport. The company's main business is internationalization oriented, and its business scope includes: various engineering construction activities; Marine engineering technical services; Marine towing, waterway transportation of ordinary goods and salvage of sunken ships; Diving services; Underwater engineering inspection; Demolition of offshore platform, etc.

        The company deeply integrates the advantages of Shanghai Salvage Bureau in emergency rescue, talent team, equipment and facilities, market development, business operation and scientific and technological research and development. It has the domestic leading complete set of 200m and 300m saturated diving operation technology and the ability of deep diving tool change in tunnel, the professional design, construction and installation and project management ability of deep-water pipeline laying, as well as sunken ship oil pumping, offshore oil spill recovery Technical reserves and rich practical experience in deep search and salvage and ocean towing.