Railway Construction Research Institute of China Academy of Railway Sciences Group Co., Ltd., established on 2002-06-24, Business scope includes rail transport,Related technology and equipment of urban rail transit,System Integration Research,to develop,Sales;Material and process,Development of environmental technology and equipment,application;development of computer technology,application;technology development,technology transfer,Technical Services,Technical Training.(Enterprises independently choose operating projects according to law,Carry out business activities;Items subject to approval by law,Carry out business activities in accordance with the approved content after approval by relevant departments;Do not engage in the business activities of projects prohibited and restricted by the city's industrial policies.)

Taisei Rotec Corp. provides asphalt and concrete pavement services. Its operations are carried through the following divisions: Construction and Manufacturing. The Construction division deals with site preparation for roads and expressways, site formation for housing and industrial facilities, water and sewage works, landslide repairs and underground construction facilities. The Manufacturing division deals with asphalt mixtures and other materials. The company was founded in June 1961 and is headquartered in Tokyo, Japan.

China Railway Research Institute Group Co., Ltd., established on 2002-01-24, Business scope includes rail transport,Related technology and equipment of urban rail transit,System Integration Research,to develop,Production,Sales;contractor,Survey and design,construction,supervision;Material and process,Development of environmental protection technology and its equipment,application;development of computer technology,application;technology development,technology transfer,Technical Services,technical consulting,Technical testing;Environmental Impact Assessment;Import and export business;Technology and product exhibition;advertising business;property management;car park service;lease commercial premises;road freight transport;Risk Assessment of Geological Hazard Prevention and Control.(Market entities independently choose business projects in accordance with the law,Carry out business activities;Road freight transport and items subject to approval by law,Carry out business activities in accordance with the approved content after approval by relevant departments;Do not engage in the business activities of projects prohibited and restricted by the industrial policies of the state and this city.)

Nichireki Co., Ltd. engages in the provision of processed asphalt products, construction, civil engineering and technology services. Its operations are carried out through the following segments: Asphalt Processed Products Business, Road Pavement Business, and Others. The Asphalt Processed Products Business segment manages the manufacture and sale of asphalt emulsion and modified asphalt. The Road Pavement Business segment handles contracting for road paving, waterproofing, water and sewage, and other civil engineering work including related survey, design and administration processes. The Others segment includes real estate leasing, geological surveys, computer information services, information processing equipment, disposal of industrial waste products, indoor and outdoor signs and advertisements, creation and sale of related printed materials, and insurance agency businesses. The company was founded by Eiichi Ikeda in October 1943 and is headquartered in Tokyo, Japan.

China Railway Fourth Bureau Group Installation Engineering Co., Ltd., established on 2003-05-22, Business scope includes licensed projects:Electrical Installation Services,Construction Engineering Construction,Installation, modification and repair of special equipment,power transmission,powered by,Installation of power receiving facilities,Repair and Test,Residential interior decoration(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,The specific business items are subject to the approval documents or licenses of relevant departments) General project:General machinery and equipment installation services,Landscaping engineering construction,Fabrication of Metal Structures,Metal Structure Sales,Special Equipment Repair,Maintenance of transportation facilities,Engineering technical service(planning management,survey,design,Except supervision),Engineering Management Services,Manufacture of concrete structural components,Sales of concrete structural components,Construction of sports facilities,Earthwork construction,Cement products sales,Cement Products Manufacturing,Purchasing agency service(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Sobute New Materials Co., Ltd. engages in the research, development, production and sales of concrete admixture and materials used for waterproofing, reparations and transportation engineering. Its products include water-reducing admixture, durability-enhancing admixtures, cementitious materials and special concretes. The company was founded on December 15, 2004 and is headquartered in Nanjing, China.

Sinopec Corp. Fushun Petrochemical Research Institute, established on 2000-04-14, Business scope includes technology and information research,to develop,application,consultation service;Petrochemical products researched and developed by our institute(Free of Hazardous Chemicals)Production,Sales,Petroleum and petrochemical equipment manufacturing,Sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments.)

Zhejiang Lanting Hi-Tech Co., Ltd., established on 2009-12-22, Business scope includes general items:Engineering and Technology Research and Experimental Development;Mechanical equipment research and development;Manufacturing of special equipment(Manufacture of licensed professional equipment not included);Resource recycling technology research and development(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).

Shinto Paint Co., Ltd. engages in the manufacture and sale of paints, pigments, synthetic fats, oils, and chemicals. It operates through the following segments: Paints and Chemicals. The Paints segment manufactures and sells synthetic resin paints. The Chemicals segment accepts contract manufacturing of epidemic prevention drugs and industrial disinfectants. Its products include electronic equipment, optical communication equipment, magnetic equipment, parts, components and their materials; painting facilities, related machinery equipment, tools, devices and materials; civil engineering, construction and housing materials; and systems related to the aforementioned products. It also exports and imports aforementioned products; contract installation work for painting facilities and related machinery equipment; and design, implementation and supervision of painting works and other various construction works as well as related technical supervision. The company was founded on April 17, 1933 and is headquartered in Amagasaki, Japan.

Institute of Metals and Chemistry of China Academy of Railway Sciences Group Co., Ltd., established on 2002-06-24, Business scope includes technical testing;rail transport,Related technology and equipment of urban rail transit,System Integration Research,to develop,Sales;Technology development of materials and processes,technology transfer,Technical Services;development of computer technology;Engage in construction within the scope of authorization of the affiliated enterprise;computer technology training,Machinery and Equipment Leasing(Car rental not included).(Enterprises independently choose operating projects according to law,Carry out business activities;Items subject to approval by law,Carry out business activities in accordance with the approved content after approval by relevant departments;Do not engage in the business activities of projects prohibited and restricted by the city's industrial policies.)

TOA Road Corp. engages in the construction business. It operates through Construction, and Manufacturing Sales and Environment segments. The Construction segment handles the operation of construction works that includes paving works, civil engineering works, landscaping and greening works, sports facility works, foundation improvement works, river improvement works and special dredging works. The Manufacturing Sales and Environment segment manufactures and sells emulsified asphalt, modified asphalt, asphalt mixtures, recycled aggregates, crushed stones for paving and ready-mixed concrete. It also does research and purification treatment of contaminated soil. The company was founded on November 28, 1930 and is headquartered in Tokyo, Japan.

China Railway Fourth Bureau Group Co., Ltd., established on 1986-11-10, Business scope includes licensed projects:Various construction activities;Building Intelligent Engineering Construction;Electrical Installation Services;General contracting of housing construction and municipal infrastructure projects;Construction engineering design;Compilation of land and space planning;Construction Engineering Survey;Mapping service;Inspection and testing service;Quality inspection of construction projects;Real estate development and management;public rail transport;Production of Prestressed Concrete Railway Bridge Simply Supported Beam Products;Forest tree seed production and management;Packaging and decoration printing;Radio and television program production and management;Import and export(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)General project:Engineering Management Services;Engineering technical service(planning management,survey,design,Except supervision);Professional Design Services;Civil Air Defense Engineering Design;graphic design;Industrial Engineering Design Services;Engineering cost consulting business;Planning and Design Management;Basic geological survey;Geological Exploration Technical Services;Tourism development project planning consultation;real estate consulting;Highway and Waterway Engineering Test and Inspection Service;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;New material technology research and development;Engineering and Technology Research and Experimental Development;Pension Service;Institutional pension service;Land Consolidation Services;Park Management Services;Engage in investment activities with own funds;Asset management services for self-owned capital investment;Construction machinery and equipment rental;Special equipment rental;Maintenance of transportation facilities;Machinery and Equipment Leasing;Transportation equipment rental service;Manufacturing of thermal and acoustic insulation materials;Thermal and acoustic insulation sales;Landscaping engineering construction;Cement Products Manufacturing;Cement products sales;Manufacture of new building materials(Free of Hazardous Chemicals);Sales of building materials;Chemical product production(No licensed chemical products);Chemical product sales(No licensed chemical products);flower planting;Forestry Product Sales;software sales;Digital Content Production Services(Does not include publishing);Advertising Design,acting;advertisement making;brand management;Conference and Exhibition Services;Graphic design and production;Corporate Image Planning;Foreign contracted projects(Except for licensed business,Can independently operate projects that are not prohibited or restricted by laws and regulations)

Beijing China Railway Technology Co., Ltd., established on 2001-01-15, Business scope includes engineering design;Engineering Investigation;railway,Metals and chemical materials for urban rail transit,Vehicle Equipment,Accessories and materials,Equipment for Public Works,Accessories and materials,Repair Track Slabs,Welding Technology,welding equipment,Technical development of welding materials,Technical Services,technology transfer,technical consulting,Technology Promotion;selling computers,Software and Auxiliary Equipment,Chemical Products(Free of Hazardous Chemicals),lubricating oil,Equipment,building materials,decorative material;Construction General Contracting;Professional contractors;Labor subcontracting;Rental machinery and equipment(Car rental not included);software development;Technical testing service;Construction Project Management(Market entities independently choose business projects in accordance with the law,Carry out business activities;engineering design,Engineering survey and projects subject to approval according to law,Carry out business activities in accordance with the approved content after approval by relevant departments;Do not engage in the business activities of projects prohibited and restricted by the industrial policies of the state and this city.)

Denka Corp., part of Denka Co., Ltd., is an American company located in New York, NY. The firm manufactures and distributes chemical products.

Hangzhou Tianxiang New Building Materials Co., Ltd., established on 2009-11-03, The business scope includes construction commodity mortar,Special Mortar,waterproof material,Production of thermal insulation and energy-saving materials.Construction Goods Mortar,Special Mortar,waterproof material,Research and development of thermal insulation and energy-saving materials,Sales;Sales of building materials;Interior Decoration Engineering Design,construction.

Chongqing Chengbang Pavement Material Co., Ltd., established on 2010-12-29, Business scope includes research and development,Production,Sales:pavement maintenance materials,Road and bridge maintenance materials;Construction Equipment Leasing,Sales;the road,Road and bridge maintenance technical consulting services;Import and export,Technology Import and Export.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments.)

Research Institute of Highway Ministry of Transport is a company headquartered in China ultimately controlled by the Government of China that provides road, bridge and traffic engineering services.

Guiyang Aluminium Magnesium Design & Research Inst. Co. Ltd. is a private company headquartered in Guiyang, China, that provides engineering services.