Yantai Salvage Bureau has the qualification of first-class marine salvage and relevant anti-fouling qualifications, and fully masters all kinds of salvage methods such as internal buoyancy, tension jack, floating crane, pontoon, section dismantling, and mechanical attack over bottom jack, hydraulic jack lifting and floating. all kinds of advanced salvage technology such as pulling right, software calculation. He successfully completed the rescue and salvage projects that attracted worldwide attention, including the rescue of the "November 24" disaster, the search and salvage of the "5.7" plane crash, the salvage of the "Fenwei" and the "Bihai Operation" in Bohai Bay, and won many government awards. Has developed into the largest domestic, world-leading self-owned marine emergency salvage salvage whole process disposal capacity units.