CRRC Qingdao Sifang Co., Ltd. engages in the manufacturing of high-speed trains, urban rail transit vehicles; and the export of rail transit equipment. Its products include high-speed electric multiple units (EMUs), inter-city EMUs, subway vehicles, modern trams, monorail vehicles, high-end railway passenger cars, and internal combustion EMUs. The company was founded in 1900 and is headquartered in Qingdao, China.

Part of CRRC Corp. Ltd., Changchun Railway Vehicles Co., Ltd. is a company headquartered in Changchun, China, that manufactures and supplies railing and urban transit vehicles.

Korea Railroad Research Institute is a South Korean private company. The firm operates as railway research body.

China Railway Jianzhu Group Co., Ltd. is a Chinese company ultimately controlled by the Government of China that develops, invests in, constructs and inspects railway engineering projects.

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.)

HD Hyundai Heavy Industries Co., Ltd. engages in the manufacture and sale of marine structures, plants, and engines. It operates through the following businesses: Shipbuilding, Naval and Special Ships, Offshore and Industrial Plant Engineering, and Engine and Machinery. The company was founded on June 1, 2019 and is headquartered in Ulsan, South Korea.

Telefonaktiebolaget LM Ericsson engages in the provision of telecommunications equipment and related services to mobile and fixed network operators. It operates through the following segments: Networks, Digital Services, Managed Services, and Emerging Business and Other. The Networks segment supports all radio-access technologies and offers hardware, software and related services for both radio access and transport. The Digital Services segment provides software and services in the areas of digital business support systems, operational support systems, cloud communication, cloud core, and cloud infrastructure. The Managed Services segment includes networks and information technology managed services, network design and optimization, and application development and maintenance. The Emerging Business and Other segment encompasses emerging business, Iconectiv, Red Bee Media, and Media Solutions. The company was founded by Lars Magnus Ericsson in 1876 and is headquartered in Kista, Sweden.

Rolling and Rolling Stock Research Institute of China Academy of Railway Sciences Group Co., Ltd., established on 2002-06-24, The scope of business includes the use of own media to publish advertisements;technology development,Technical Services,technology transfer,technical consulting,Technology Promotion;Computer System Services;Sell ​​self-developed products,Equipment;Engineering and Technology Research and Experimental Development.(Market entities independently choose business projects in accordance with the 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 industrial policies of the state and this city.)

CRRC Tangshan Rolling Stock Co., Ltd., established on 2007-07-10, Business scope includes manufacturing of railway transportation equipment(The operating permit)railway vehicle,EMU,DMU,Maglev train,special vehicle,test car,Sales of urban rail vehicles and accessories,Leasing and technical consulting services(Except for projects involving administrative licensing);Metal Products Processing;Steel structure welding(Except for projects involving administrative licensing);Wood processing;Realtor;Goods and technology import and export business(Except for items restricted or prohibited by the state),customs clearance;Manufacture of Class I and II pressure vessels,General cargo;Railway rolling stock maintenance;oxygen[compressed or liquefied],argon[compressed or liquefied],carbon dioxide[compressed or liquefied],nitrogen[compressed or liquefied]retail(Hazardous chemicals business license is valid until2020year9moon26day)(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Beijing Zongheng Electromechanical Technology Co., Ltd., established on 1988-11-02, Business scope includes high-speed railway EMU traction electrical system and network control system localization projects,High-speed railway EMU and high-power locomotive brake system localization project and national railway intelligent transportation system engineering technology research center platform construction project;technology development,Technical Services,technology transfer,technical consulting,Technology Promotion;Computer System Services;Sell ​​self-developed products,Equipment;Engineering and Technology Research and Experimental Development.(Market entities independently choose business projects in accordance with the 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 industrial policies of the state and this city.)

CRRC Qingdao Sifang Rolling Stock Research Institute Co., Ltd. engages in the research, production, and sale of railway system parts and technologies. Its products include electrical products, anti-vibration products, couplers and draft gears, braking products, engineering equipment, and energy saving products. The company was founded on June 1, 1959 and is headquartered in Qingdao, China.

Beijing Tianyishangjia New Material distributes powder-metallurgy brake pads for high-speed rail EMUs, and continues to increase research and development in the domains of carbon-based composite materials, resin-based carbon fiber composite materials, etc. Tianyishangjia New Material focuses on the development of new material technologies, product research and development, and industrial applications in the fields of large transportation and new energy. Tianyishangjia New Material forms four major products including powder metallurgy brake pads, carbon-based composite products, resin-based carbon fiber composite products, and precision manufacturing of large-scale aviation structural parts.

Maanshan Iron & Steel Co., Ltd. engages in the manufacture and sale of iron and steel products. It operates through the Production and Sale of Iron and Steel Products and Related By-Products; and Financial Service segments. The Production and Sale of Iron and Steel Products and Related By-Products segment involves the firm and its subsidiaries except Masteel Financial. The Financial Service segment consists of Masteel Financial. Its products include the steel plates, steel section, wire rods, and train wheels. The company was founded on September 1, 1993 and is headquartered in Ma'anshan, China.

Magang Group Holding is engages in iron and steel, mineral resources, and other diversified businesses primarily in China. The company’s iron and steel business is involved in ferrous metal smelting, rolling processing, and product sale and support activities. It offers strip and plate products, such as hot and cold-rolled, galvanized, container use, and color-coated strips, as well as ship plates, electric and pipe steel products, etc. for use in building, home appliance, automobile, petroleum, and other industries; steel sections, including H-beams, angles, and channels; and wire rods, which are used in various industries comprising aerospace, aviation, automobile, ship-building, building, chemical, mechanical manufacturing, etc.

Provides railway passenger and freight transportation services

Shijiazhuang Guoxiang Transportation Equipment Co., Ltd., established on 2003-07-25, Business scope includes design,Manufacture and repair of heating equipment,Transportation Equipment,Electronic equipment,Special equipment and spare parts for rail vehicles such as refrigeration, air conditioning and ventilation equipment,Sell ​​the company's own products.

Alstom is a global leader in the world of power generation, power transmission, and rail infrastructure and sets the benchmark for innovative and environmentally friendly technologies. Alstom builds the fastest train and the highest capacity automated metro in the world, provides turnkey integrated power plant solutions and associated services for a wide variety of energy sources, including hydro, nuclear, gas, coal and wind, and it offers a wide range of solutions for power transmission, with a focus on smart grids. The Group employs 92,000 people in around 100 countries.

Bombardier Transportation GmbH develops, designs, and constructs rail transportation systems. The company broadest portfolio in the rail industry and delivers products and services. The company was founded in 1974 and is headquartered in Berlin, Germany.

CRRC Qishuyan Locomotive and Rolling Stock Technology Research Institute Co., Ltd., established on 1992-05-15, Business scope includes licensed projects:Inspection and testing service;Certification Services;Journal publishing(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,Specific business projects are subject to approval results) General project:Manufacture of railway rolling stock parts;High-speed rail equipment,Parts manufacturing;Rail Transit Special Equipment,Sales of key systems and components;Rail transit construction machinery and parts sales;Wind turbines and parts sales;Mining machinery manufacturing;Manufacturing of auto parts and accessories;Manufacturing of hydraulic power machinery and components;Intelligent basic manufacturing equipment manufacturing;Industrial Robot Manufacturing;Marine supporting equipment manufacturing;Ocean Engineering Equipment Manufacturing;Instrument Manufacturing;mold making;bearing,Manufacturing of gears and transmission components;General equipment manufacturing(Does not include special equipment manufacturing);Manufacturing of special equipment(Manufacture of licensed professional equipment not included);software development;New material technology research and development;Non-ferrous metal casting;ferrous metal casting;Manufacturing of forgings and powder metallurgy products;Metal surface treatment and heat treatment;Certification Consulting;Metering technical service;Energy saving management service;Environmental Protection Monitoring;Environmental Consulting Services;business training(Does not include education and training,Vocational skills training and other licensed training);Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Engineering technical service(planning management,survey,design,Except supervision);housing lease;Non-residential real estate leases;Machinery and Equipment Leasing;Conference and Exhibition Services;Import and export;Technology Import and Export;Import and export agency;advertisement making;advertising(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)