中船重工第七○四研究所创建于1956年,隶属于中国船舶重工集团公司,是一个综合性应用技术研究所。七○四研究所的船用电梯专业集科研、设计、生产服务于一体,从事的是国内船用客、货电梯及船用升降机的研究与生产。七○四研究所是国内船用电梯的归口单位。为了填补国内空白,早 The CSIC 704 Institute was founded in 1956 and is a subsidiary of China Shipbuilding Industry Corporation. It is a comprehensive application technology institute. The institute of marine elevators of the 704 Institute integrates research, design and production services. It is engaged in the research and production of domestic passenger ships, cargo lifts and marine lifts. 704 Institute is the focal point of domestic marine elevators. In order to fill the domestic blank, as early as possible