From July 21 to 23, an expert group composed of members from Material & Equipment Department of CNOOC, Research Institute, Offshore Engineering Design Institute, as well as the owner's unit and ship surveyors visited the company for investigation and exchange. Zhou Jie, executive director and Secretary of the Party committee of the Company, Miao Yong, general manager and Deputy Secretary of the Party committee, and Guo Jinju, deputy general manager and chief engineer, accompanied the investigation.