China Railway Second Bureau First Engineering Co., Ltd., established on 1990-07-25, Business scope includes legal,regulations,Those prohibited by the State Council's decision shall not operate;law,regulations,The State Council has decided to allow(approval)of,After approval by the examination and approval authority(approval)file management;law,regulations,The State Council has decided that a license is not required(approval)of,Market entities independently choose to operate.(Construction general contracting(level one),General Contracting of Municipal Public Works Construction(level one),Professional contracting of foundation and foundation engineering(level one),Professional contracting of tunnel engineering(level one),Professional contracting of bridge engineering(level one),Concrete Prefab Professional(level two),Building decoration project contracting(level one),General Contracting of Highway Engineering Construction(level one),Highway subgrade engineering professional contracting(level one);Machinery and housing rental services;engineering construction;construction services;Commercial concrete,cement components,Production of cement piles,Sales and Shipping;Machinery and Equipment Leasing,adjust,repair,Sales;Mechanical equipment and accessories and general cargo transportation;Sales and leasing of construction turnover materials;cement,Sand and gravel,steel,lightweight building materials,Fiberglass and composite sales;tower crane,Erecting machine,elevator,Installation and use of gantry crane,Repair and lease;Trolley rental;Building exterior window processing,Install;Fabrication and installation of billboards;Equipment,Installation of mechanical and electrical equipment and water, electricity and heating;lighting project,Intelligent Building Engineering;Sales of building materials;Aluminum profile,Hardware and electrical sales;Equipment maintenance and spare parts sales;Various industries,civil,railway,the highway,Municipal housing construction,Raw materials for airport construction,Geotechnical filler,water quality,Chemical analysis,the basement,main structure,steel structure,Geometry of buildings,monitoring measurement,Subsidence Observation,blasting vibration,Gas detection,Technical consulting services related to engineering measurement and test testing;Environmental engineering professional contracting;Water conservancy and hydropower project construction general contracting.)