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The first 900-ton box-girder transport equipment includes JQ900A box girder bridge machine and YL900 tire box girder transport truck. It is based on the medium and long-term construction plan of the Ministry of Railways high-speed railway, to meet the speed of 300-350 km box girder. The equipment developed and erected is the “Research and Design of 900-ton Railway Box Girder Equipment†project initiated by the Ministry of Railways Science and Technology Department in May 2002.
The first set of domestic 900-ton box girder transport equipment passed the appraisal
The China Railway Second Bureau and the China Railway Engineering Machinery Research Institute Co., Ltd. jointly developed by China Railway Engineering Group Co., Ltd. jointly developed the first set of 900-ton box-girder equipment technology in China.