On May 22, the underwater emergency rescue Professional Committee of China diving and salvage industry association organized a symposium on "underwater facility plugging technology and equipment" in Tianjin. At the meeting, Yan Xiangfeng of the company's business marketing department made a keynote speech on "management of underwater plugging and diving operation of ships and floating production facilities".

The meeting was organized by Offshore Oil Engineering Co., Ltd. and attended by more than 30 units, including China diving and salvage industry association, China National Offshore Oil Corporation, Shanghai Salvage Bureau of the Ministry of transport, Beihai Rescue Bureau of the Ministry of transport, Shanghai Jiaotong University Marine Underwater Engineering Research Institute Co., Ltd., Shenzhen Shanye Industry Co., Ltd.