Powerchina Huadong Engineering Corp. Ltd., a subsidiary of Power Construction Corporation of China, Ltd., is a company headquartered in Hangzhou, China, that provides industrial engineering services.

Powerchina Guiyang Engineering Corp. Ltd. is a Chinese company located in Guiyang and ultimately controlled by the Government of China that provides hydraulic engineering services.

Changjiang Survey, Planning, Design and Research Co., Ltd., established on 2008-04-01, Business scope includes licensed projects:Import and export;Technology Import and Export;Engineering cost consulting business;Foreign labor cooperation(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:survey of construction works,design,consult,EPC,Supervision and investment, etc.,include:Water Resources and Hydropower,electricity,New energy and water-related infrastructure,surroundings,architecture,Transportation,Municipal public,Survey of engineering in electronics and other industries,design,consult,EPC,Supervision and investment, etc.;and the required equipment,Material import and export;Engineering Safety Monitoring,Quality Inspection,Environmental testing and related technical services;Whole Process Engineering Consulting;Software and IT Services,Information system integration service;water ecology,Water Resources and Water Environment,Flood Control and Disaster Mitigation and Soil and Water Conservation,Watershed planning and governance development science and technology research;Engineering and Technology Research and Experimental Development;Engineering Management Services(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

China Three Gorges Corp. engages in the development and operation of hydropower projects. It operates through the following business segments: Hydropower, New Energy, International Business, Finance, and Engineering & Design. The Hydropower segment involves power generation and hydropower project construction. The New Energy segment involves onshore wind power, offshore wind farms, and solar power. The International Business segment involves contracting business and investment projects. The Finance segment provides fund collection, settlement, and monitoring; and manages auxiliary assets services. The Engineering & Design segment provides support and logistics services. The company was founded on September 18, 1993 and is headquartered in Beijing, China.

Powerchina Chengdu Engineering Corp., Ltd. provides planning and consultancy, investigation and design, engineering and construction, as well as investment and financing services in clean energy, water, infrastructure, and other fields. The company was founded in 1950 and is headquartered in Chengdu, China.

Shanghai Survey and Design Research Institute Co., Ltd., established on 1997-03-11, Business scope includes general items:Engineering survey and survey,Construction engineering design,Construction cost consultation,Construction Project Supervision Services,Construction Engineering Inspection,Engineering Management Services,house construction construction,Professional construction of water conservancy, hydroelectric and electrical equipment installation and construction engineering,Electric power construction engineering construction,Construction of municipal public construction projects,Environmental protection construction engineering professional construction,Engaged in the import and export of goods and technology;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,Engage in technology development in the field of computer science and technology,technology transfer,technical consulting,Technical Services.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

China Three Gorges Construction Engineering (Group) Co., Ltd., established on 1992-11-30, Business scope includes urban water supply,oil,petrochemical,hydropower,Investment in wind power generation and other new energy projects,contractor,Construction and fiduciary management;oil,petrochemical,mechanical,hydropower,Technology research and development of wind power generation and other new energy sources,Equipment manufacturing and sales;Energy-related technical consulting,service etc..(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.)

Guoneng Daduhe Pillowba Power Generation Co., Ltd., established on 2007-12-18, Business scope includes hydroelectric power generation,Sales,Investment in Hydropower Projects,the construction,operate,manage.*(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Zhongshui Northeast Survey, Design and Research Co., Ltd., established on 2002-12-27, Business scope includes Class A design of water conservancy industry(Including supporting works),Class A design for the power industry(Including supporting works),Engineering Survey Comprehensive Class A(Geotechnical Investigation,Geotechnical Design,Geotechnical Engineering Geophysical Testing,detection,monitor,Hydrogeological survey,engineering survey,engineering drilling,Well sinking),Real estate surveying and mapping,Surveying and Mapping Aerial Photography,Photogrammetry and Remote Sensing,Geographic Information Systems Engineering,Grade A design of construction engineering,Environmental Pollution Prevention and Control Special Project Design Class A,Geological Disaster Prevention Engineering Exploration Grade A,Risk Assessment of Geological Hazard Prevention and Control,Geological disaster prevention and construction,Design of geological disaster prevention and control,Urban planning,Water Resources and Hydropower,electricity(Including thermal power,hydropower,nuclear power,new energy),Hydrogeology,engineering survey,Geotechnical Engineering,Ecological construction and environmental engineering,Construction Consulting Grade A Credit,the highway,Class B design for water transportation,Construction project water resources demonstration grade A,hydrology,Water resources investigation and evaluation grade A,Engineering Cost Consulting Grade A,Engineering Supervision Grade A,Equipment Manufacturing Supervision Class A,Construction supervision of soil and water conservation projects,Water Conservancy Project Construction Environmental Protection Supervision,Resettlement Supervision of Water Conservancy Projects,Pressure Vessel Design,hoist design,Foreign contract management of engineering projects,Preparation of water and soil conservation plan for production and construction projects,Water and soil conservation monitoring for production and construction projects,Land Consolidation Project,Preparation of land reclamation plan,Landscape Architecture Engineering Design,Municipal industry(Water supply works,drainage works)design,EPC.;Building materials distribution(wood free);water conservancy,electricity,Municipal engineering safety monitoring design and construction;Engineering quality inspection and evaluation(building materials,instrument,Equipment development and sales,Geophysical detection);Water Conservancy Engineering Quality Inspection Class A(rock and soil,concrete,Measure,Metal structure),Project Quality Acceptance and Evaluation,Safety evaluation and post-evaluation of project operation,Safety Appraisal of Water Storage in Water Conservancy and Hydropower Construction Projects;Landscape Design and Construction of Ecological Water Conservancy Garden;Water Conservancy and Hydropower Project Construction General Contracting Grade II;Power engineering construction general contract;Foundation and foundation engineering professional contracting level 2;Level 2 Professional Contractor of River and Lake Improvement Project;Engineering survey labor;Research and development of geotechnical engineering instruments and hydrological instruments,production and sales;Information system integration and service;computer software development.(The above items are all based on the validity of the qualification certificate to carry out business activities)***(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments).

Sinohydro Bureau 9 Co., Ltd. is a Chinese company located in Guiyang and ultimately controlled by the Government of China that provides civil engineering construction services. It was founded in 1958. Zheng Rong Zhou is currently the CEO of the firm.

Huadian Tibet Energy Co., Ltd., established on 2012-09-28, The scope of business includes the development of power supplies,invest,the construction,Operation and Management;Electricity Production and Sales;Electrical equipment installation,overhaul,debugging,Operation Management and Consulting;Power Technology Management Consulting;Environmental Protection and Comprehensive Utilization of Power Resources;mining investment;Building materials sales;Commodity wholesale and retail.[Items subject to approval by law,The project can only be operated after being approved by the relevant department]

Showa Concrete Industry Co. Ltd. is a private company headquartered in Japan, with subsidiaries in JP, that engages in the design, construction, and production of pre-stressed concrete bridges and disaster prevention structures and secondary products for engineering works.

Powerchina Beijing Engineering Corp. Ltd. is a company headquartered in Beijing, China and ultimately controlled by the Government of China. The firm provides hydraulic engineering services.

Yikejie (Wuhan) Ecological Technology Co., Ltd., established on 2017-03-02, Business scope includes licensed projects:aquaculture;Various construction activities(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:Engineering and Technology Research and Experimental Development;Professional Design Services;Ecological resource monitoring;Engineering technical service(planning management,survey,design,Except supervision);Information system integration service;Manufacturing of special equipment(Manufacture of licensed professional equipment not included);Ecological reserve management services;Ecological Restoration and Ecological Protection Services;Air Pollution Control;Soil Pollution Control and Restoration Services;water pollution control;Soil Environmental Pollution Prevention and Control Services;Water Environment Pollution Prevention and Control Services;Atmospheric Environmental Pollution Prevention and Control Services;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Zhongshui North Survey, Design and Research Co., Ltd., established on 2003-01-07, Business scope includes engineering design,surveying and mapping;environmental protection;Civil Engineering Construction Industry;Line pipeline,Equipment installation industry;Geological Exploration Industry;Water management industry;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;Natural science research and experimental development;Engineering and Technology Research and Experimental Development;Water Resources and Hydropower Engineering,Construction Engineering Technology Testing,Technical extension services;EPC;Urban and rural planning and design;Electrical Equipment,metallic material,Equipment,electronic product,hardware products,Chemical Products(Hazardous chemicals and precursor drugs are excluded),building materials,Steel sales;stay;Planning and Design Management;Construction Engineering Survey;Compilation of land and space planning;Construction Project Supervision;hydroelectric power;Geological disaster control engineering design;Geological Hazard Risk Assessment;Geological disaster control engineering survey;Sewage Treatment and Its Reuse;Engineering Management Services;water resource management;Hydrological Services;Quality inspection of construction projects;Soil Erosion Prevention and Control Services;Water conservancy intelligence collection service;water pollution control;Water Environment Pollution Prevention and Control Services;Geographic Remote Sensing Information Service;data processing services;Security Consulting Services;Safety Evaluation Business;Metering service;Engineering cost consulting business;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Wind Power Technical Services;software development;Information system integration service;Satellite Remote Sensing Application System Integration;Satellite Technology Comprehensive Application System Integration;Internet of Things Technology Services;Information Technology Consulting Services;Social Stability Risk Assessment;Construction labor subcontracting;Bidding agency service;Labor service(Does not include labor dispatch);Unit logistics management service.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Fujian Water Conservancy and Hydropower Survey, Design and Research Institute Co., Ltd., established on 1993-12-07, Business scope includes power industry(hydroelectric power,wind power),Water Conservancy Industry Engineering Design,Comprehensive engineering survey,project consultancy,EPC,hydrology,Water resources investigation and evaluation,Preparation of water and soil conservation plans for development and construction projects,Construction project water resource demonstration,Architectural Engineering Design,Power Industry(substation),Municipal utilities(except gas)engineering design,Environmental Impact Assessment of Construction Projects,Special engineering design:waste water,Solid waste treatment project,Construction Engineering Foundation Pile Quality Inspection:Static load test,Low Strain Dynamic Testing,Power Industry(Power transmission)engineering design,Safety Appraisal of Water Storage in Water Conservancy and Hydropower Construction Projects,Geological disaster control engineering survey;Geological Hazard Risk Assessment;Geological disaster control engineering design;Water and soil conservation monitoring for production and construction projects;engineering survey;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)

Sinohydro Engineering Bureau 4 Co., Ltd. (doing business as Sinohydro Engineering Bureau No. 4 Co. Ltd.) is a company headquartered in Beijing, China and ultimately controlled by the Government of China. The firm provides civil engineering construction services.

Powerchina Xibei Engineering Corp. Ltd. is a company headquartered in Xian, China and ultimately controlled by the Government of China. The firm provides hydraulic engineering services.