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中铁上海工程局集团华海工程有限公司于1993年7月在上海注册成立,原隶属于中铁三局集团。2010年经中国中铁股份公司战略重组,划归成为中铁上海工程局集团有限公司旗下的全资子公司,注册资本金为1亿元人民币。公司是从事以轨道交通工程施工为主的大型综合性施工企业,现有员工942名。公司极其重视工艺创新和技术研发,成立20年来,先后自主开发了科研成果、工法、专利等80余种。其中大跨度预弯组合梁施工工法和长轨排法一次铺设整体道床无缝线路施工工法获国家级工法;地下连续墙穿越微承压水粉砂层预降水防
China Railway Shanghai Engineering Group Co., Ltd. Huahai Engineering Co., Ltd. was incorporated in Shanghai in July 1993, the original subordinate to the Third Railway Group. In 2010, it was reorganized into a wholly-owned subsidiary of China Railway Engineering Bureau Group Co., Ltd. with a registered capital of 100 million yuan through the strategic reorganization of China Railway Group Corporation. The company is engaged in rail transit construction of large-scale integrated construction companies, the existing staff of 942. The company attaches great importance to process innovation and technology research and development, set up 20 years ago, has independently developed scientific research, engineering methods, patents, more than 80 species. The long-span pre-bent composite beam construction method and long-track row method laid a whole track seamless track construction method by the state-level method; underground diaphragm wall through the micro-pressure grit pre-anti-precipitation