China Architecture Southwest Design and Research Institute Co., Ltd., established on 1991-12-10, Business scope includes construction works,Civil air defense engineering design and corresponding consulting and technical services;Municipal public water supply,drainage,gas,heat,the bridge,tunnel,road works,Landscape design and other engineering design and related consulting and technical services;Architectural Decoration Engineering Design,Building Curtain Wall Engineering Design,Light steel structure engineering design,Building Intelligent System Design,Lighting engineering design and fire protection facilities engineering design and corresponding consulting and technical services;Commodity grain industry,Communication tower engineering design and corresponding consulting and technical services;Urban planning and design and corresponding consulting and technical services;architecture,Public engineering scientific research experiment project;EPC contracting and project management;Engineering Supervision;Engineering cost consultation;Construction Professional Engineering Consulting,Evaluation Consulting,Engineering Project Management,Covers the corresponding content of energy conservation, emission reduction and environmental governance;pressure piping design;Survey of Overseas Construction Projects,consult,Design and Supervise Projects,External dispatch of the above project survey,consult,Design and supervision labor personnel;Contracting and its strength,scale,Foreign engineering projects that are compatible with performance;Dispatch labor personnel required for the implementation of the above-mentioned overseas projects.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments).

Datang Environment Industry Group Co., Ltd. engages in the business of environmental protection and energy conservation. It operates through the following business segments: Environmental Protection and Energy Conservation Solutions, Renewable Energy Engineering, Thermal Power Engineering, and Other Businesses. The Environmental Protection and Energy Conservation Solutions segment mainly includes flue gas desulfurization and denitrification facilities concession operation for coal-fired power plants, the manufacture and sale of denitrification catalysts, engineering for coalfired power plants, including the engineering of denitrification, desulfurization, dust removal, ash and slag handling and other environmental protection facilities and industrial site dust management related engineering, water treatment, and energy conservation including energy conservation facilities engineering and energy management contracting. The Renewable Energy Engineering segment includes the engineering general contracting for newly-built wind power plants, biomass power plants and photovoltaic power plants. The Thermal Power Engineering General Contracting segment refers to the engineering procurement construction services for thermal power plants. The Other Businesses segment represents the various businesses such as fiberglass chimney anti-corrosion, air cooling system engineering general contracting and coal yard monitoring system upgrade. The company was founded on July 25, 2011 and is headquartered in Beijing, China.

China Railway First Survey & Design Institute Group Co., Ltd. is a Chinese company ultimately controlled by the Government of China that provides engineering survey, design, supervision and consulting services.

State Grid Zhejiang Electric Power Co., Ltd. Electric Power Research Institute, established on 1990-05-15, Business scope includes services:generate electricity,power transmission,substation,power distribution,smart grid,energy saving,Environmentally friendly technical services,technology research,Technical Design,technology development,technical consulting,Power Information System Integration,software development,to run,maintain,Power technology training service,Power Metering Technical Services;Sales of power information system integration products.

SGCC was founded on Dec. 29th, 2002 as a pilot state-owned corporation by the State Council. As a backbone state-owned enterprise that may affect national energy safety and economic lifelines, SGCC's core business is to build and operate power grids and provides secure and reliable power supply for the development of the society. With a registered capital of RMB 200 billion yuan and service area covering 26 provinces,autonomous regions and municipalities directly under the jurisdiction of the Central Government which equals to 88% of the national territory. SGCC carries out the president responsibility system. The president is the legal corporate representative of SGCC. By the end of 2005, SGCC accumulated a total asset of RMB1176.7 billion yuan with a debt-asset ratio of 61.96%, and possessed 195,899 km of 220kV and above transmission lines with a transforming capacity up to 616.64 GVA. SGCC has 1.502 million employees and serves 128 million customers. In 2005, SGCC sold electric power up to 1464.6 TWh and achieved an operation income of RMB 721.4 billion yuan with a net profit of RMB14.4 billion yuan profit & tax of RMB 60.4 billion yuan. SGCC was ranked the 40th in the Fortune Global 500 in 2005.

Inner Mongolia Power (Group) Co., Ltd. is an independent provincial power grid company in China. It offers power generation, power grid construction, operation & distribution. The company is headquartered in Inner Mongolia, China.

Nisshin Co., Ltd., part of NIPPON STEEL CORP., is a company headquartered in Amagasaki, Japan. The firm designs and manufactures ducts and flanges.

Qingdao Haiju Intelligent Innovation Technology Co., Ltd., established on 2017-05-26, Business scope includes technical research and development of power equipment,design,Operation management and technical consulting;automated industry,Technology research and development of information software,technical consulting,Technical Services,Technology Promotion;Technology development in the field of smart technology,consult,Serve;Research on Computer Simulation Technology,technology development,technical consulting,technology transfer,Technical Services;Computer Software Development Services;data processing;Software technical service,Technology Promotion;Sales and installation of computer software,Hardware and Peripherals,electric equipment,Electrical Equipment,Photovoltaic equipment,Industrial Automation Equipment,Mechanical equipment and accessories,electronic product,Instrumentation,communication equipment(Does not include radio transmitting and ground receiving equipment);Import and export,Technology Import and Export(law,Except for items prohibited by administrative regulations,law,Projects restricted by administrative regulations can only be operated after obtaining a license).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

State Grid Hunan Electric Power Co. (doing business as Stat Grid Hunan Electric Power Co. Shimen County Power Supply) is a Chinese company located in Changde and ultimately controlled by the Government of China that provides electric services.

Shanghai Construction Engineering Design and Research Institute Co., Ltd., established on 1991-08-27, Business scope includes Class A construction industry,Municipal industry engineering design,Landscape Architecture Engineering Design,pressure piping design,Urban and rural planning,Geotechnical Investigation,Design and Drilling,Construction Engineering and Municipal Public Works Consulting Grade A,Foundation and foundation construction engineering professional construction,EPC,Landscaping project,Mechanical and electrical equipment required for construction projects,Complete sales of mechanical equipment and supporting materials,Operation and maintenance,Project management and related technical services,Design consulting for contracting overseas construction projects,Survey and Supervision Projects,Equipment required for the above overseas projects,Material export,Dispatch labor personnel required for the implementation of the above-mentioned overseas projects,Construction Engineering Inspection,Construction Engineering and Machinery,Eight skills service of construction technology,Trial production and trial sales of new products;attached<Building Construction>editorial department. [Items subject to approval by law,Business activities can only be carried out after approval by relevant departments]

Tianjin Urban Construction Design Institute Co., Ltd., established on 2003-04-01, Business scope includes licensed projects:Construction engineering design;Construction Engineering Survey;Various construction activities;General contracting of housing construction and municipal infrastructure projects;Highway Engineering Supervision;Construction supervision of water conservancy projects;Construction Project Supervision;Geological disaster control engineering survey.(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:software development;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Engineering Management Services;Foreign contracted projects.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).

China Railway Bridge Survey and Design Institute Group Co., Ltd., established on 2003-12-31, Business scope includes licensed projects:Construction Engineering Survey;Mapping service;Construction engineering design;Quality inspection of construction projects;Engineering cost consulting business;General contracting of housing construction and municipal infrastructure projects;Various construction activities;Building Intelligent System Design;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,The specific business items are subject to the approval documents or licenses of relevant departments)General project:Non-residential real estate leases;housing lease;car park service;Foreign contracted projects;Engineering Management Services;Labor service(Does not include labor dispatch);Information system integration service;Basic geological survey;Highway and Waterway Engineering Test and Inspection Service;Environmental protection special equipment sales;Machinery sales;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;(The following business scope is limited to licensed branches)accommodation service;Catering Services;food business(Selling prepackaged food);food business(sell bulk food)(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

China Southern Power Grid Research Institute Co., Ltd., established on 2010-11-05, The scope of business includes carrying out scientific research on power grids,technology development,Product development,Equipment manufacturing and sales,technology transfer,technical supervision,Technical Training,technical consulting,Technical services and other businesses;Carry out project review,Power engineering commissioning,System integration and other services;invest,Operating industries related to power grid core technologies and new power grid technologies;Power transmission and transformation engineering equipment supervision,engineering design,project consultancy,engineering construction;Develop information systems,System operation and maintenance and software sales business;electric equipment,Inspection and testing of electrical equipment;Computer Network Technology Services;<China Southern Power Grid Technology>journal editor,publishing,issued;design,make,acting,Publish various advertisements at home and abroad;goods,Technology Import and Export(law,Except for items prohibited by administrative regulations;law,Projects restricted by administrative regulations must obtain a license before they can operate).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Guangdong Power Grid Co., Ltd. Electric Power Research Institute, established on 1987-01-21, The scope of business includes engaging in scientific research related to grid operation and power supply,technical supervision,technology development,Electricity Production Scheduling Information Communication,Consulting Services and Business Training;electric equipment,Commissioning of electrical equipment,Inspection and Test.

Disaster Prevention and Mitigation Center of State Grid Hunan Electric Power Co., Ltd., established on 2014-09-12, Business scope includes research on disaster prevention technology for power equipment,Development and related technical services;Power Technology Development,Research;Power Technology Consulting,Training Services(by license,Approval document management);Power technology promotion,application service;Research on electrical equipment,to develop,Install,repair,detection,Sales;Power supplies,Equipment purchase,Sales;Power Engineering,Commissioning of power equipment and related technical services;computer software,hardware research,to develop,Sales and related technical services.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

China Railway Construction Group Co., Ltd. is a company headquartered in Beijing, China and ultimately controlled by the Government of China, that engages in railway construction services. Shang Biao Zhuang is the current CEO of the firm.

China Construction Eighth Engineering Division Corp. Ltd. is a Chinese company located in Shanghai and ultimately controlled by the Government of China. The firm provides general construction contracting services.

Shanghai Yizao Technology Co. Ltd. is a Chinese company. The firm provides artificial intelligence solutions for construction industries.