On July 17, 2001, at 8 a.m. in Shanghai City, Zhangdong China Shipbuilding (Group) Co., Ltd. by Shanghai Electric Power Construction Engineering Company undertaken by the 600-ton gate lifting machine during the lifting, a major crash occurred. After the accident, the Party Central Committee and the State Council leading comrades attached great importance, when important instructions were given to rescue, good after and accident investigation work. Political Bureau of the Central Committee of the CPC, the City Committee of the City of Shanghai Secretary Yuan Yuan Yuan Comrades, the leadership of the city party, public security fire and dry police and medical personnel, etc., quickly rushed to the scene to rescue. The Office of the State Council Safety Production Committee, the National Safety Production Supervision Bureau, the National Defense and Technology Commission, the