China Railway 11th Bureau Group Fourth Engineering Co., Ltd., established on 2001-09-29, Business scope includes general items:Can undertake road,railway,architecture,Municipal public,electricity,mine,Electromechanical,Construction general contracting of petrochemical engineering;Lifting equipment installation professional engineering construction;the bridge,tunnel,road surface,steel structure,Building decoration,antique building,the basement,Electronics and Intelligence,Fire facilities,Waterproof and anti-corrosion insulation,Construction Electromechanical,building curtain wall,City and road lighting,Environmental friendly,Professional engineering construction of ready-mixed concrete;Commercial blasting operation unit license level 4;R&D of general machinery and equipment,manufacture,Production,Sales;Machinery and Equipment Leasing;Processing and sales of mechanical equipment parts;Innovative Technology Consulting Services;software development services;General Contracting of Highway Engineering Construction,project management business;Highway Industry Engineering Design(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)