Huaneng Power International is an electric power company that operates, develops, manages, and construct large power plants. The company generates power from gas, solar, hydro, coal, wind, and biomass resources. It also involved in the management of industrial waste and water as well as provides information technology, management consulting, and environmental engineering services. In addition, the Company successfully issued 350,000,000 A-shares, of which 250,000,000 shares were public shares. They also accomplished a non-public issuance of 1.5 billion ordinary A shares denominated in Renminbi and a half billion of H shares listed abroad. Huaneng Power International goal is to provide sufficient, reliable and green electricity to the society as a power company and achieve long-term, stable and increasing paybacks to the shareholder as a listed company. Huaneng Power International was founded on June 30, 1994, and is headquartered in Beijing, China.

Huaneng Shantou Haimen Power Generation Co., Ltd., established on 2013-06-28, Business scope includes construction,operate,Manage power plants and related works.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Beijing Huaneng Xinrui Control Technology Co., Ltd., established on 2003-04-28, Business scope includes technology promotion,technical consulting,Technical Services,Industrial Control Technology Training;Engineering and Technology Research and Experimental Development;product design;Computer System Services;Basic software service;Application software service;selling computers,Software and Auxiliary Equipment,Equipment,electronic product.(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.)

Headquartered in Luxembourg since its creation in 1870, Paul Wurth has developed in the course of its history into an international engineering company. Combining wide experience with the capacity to continuously innovate, the Paul Wurth Group is today a leading player in the design and supply of the full-range of technological solutions for the primary stage of integrated steelmaking.

Hangzhou Jiyi Technology Co., Ltd., established on 2004-06-02, Business scope includes general items:software development;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Intelligent control system integration;Information system integration service;Industrial automatic control system device manufacturing;Industrial automatic control system device sales;Manufacturing of industrial control computers and systems;Sales of industrial control computers and systems;Mechanical and electrical equipment manufacturing;Sales of mechanical and electrical equipment;Research and development of intelligent robots;Computer System Services;Internet of Things Technology Services;Information system operation and maintenance services;Industrial Engineering Design Services(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).licensed items:Construction Engineering Construction(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).

Xi'an Thermal Engineering Research Institute Co., Ltd., established on 2001-12-06, Business scope includes thermal power engineering installations,Industrial Process Automatic Control System,Chemical and Materials Engineering,Thermal metrology test,Environmental protection and energy saving and water saving,Technology research and development in the field of new energy power generation,technology transfer,Technical Consulting and Services;Technical Training(System internal staff only);thermal power design;Project contracting and complete equipment;Products in the above related technical fields,Development of equipment and devices,promotion and production,Sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Kurita Water Industries Ltd. (栗田工業株式会社 Kurita Kōgyō Kabushiki-gaisha) is a Japanese manufacturer, providing water treatment chemicals and facilities as well as process treatment chemicals. During the 50´s Kurita Water Industries expanded the portfolio and started with the water treatment facilities business, chemical cleaning business (Kurita Engineering Co., Ltd.) and maintenance services. In her second decade, the 60´s, Kurita Water Industries entered the process treatment market, especially in the pulp and paper, petrochemical and steel industries. Since the mid of the 70´s up to now, Kurita Water Industries established 14 overseas subsidiaries and affiliates. Since 2003 Kurita Water Industries is listed in the Nature Stock Index (NAI = Natur-Aktien-Index).

Huaneng Power International Jiangsu Energy Dev Co., Ltd., a subsidiary of Huaneng Power International, Inc., is a company headquartered in Nanjing, China. The firm provides power generation and distribution services. It was founded in 2020. Ge Jun Qi is currently the CEO of the company.

Part of Huaneng Power International, Inc., Huaneng Hainan Power Generation Ltd. Co. is a Chinese company located in Haikou. The firm develops and operates power plants.

Beijing Nonvia Technology Co., Ltd. engages in the provision of comprehensive solutions and services. It focuses on intelligent power generation system, energy saving, and local environmental management. Its product technology includes power plant dust removal new technology transformation solution, power plant coal system environmental comprehensive treatment solution, smart power plant solutions, zero emission solution for desulfurization wastewater from coal-fired power stations, flue gas comprehensive treatment whitening solution, automated intelligent inspection system, power station combustion precise management system, coal-fired power plant asset management system,, optimization of energy-saving and efficiency improvement for coal-fired power station, and digital instrument wall system. The company was founded on November 11, 2003 and is headquartered in Beijing, China.

HANKOOK Technology, Inc. engages in the development and supply of construction technologies. It operates through the following business divisions: Construction, Automobile Parts, and Technology Engineering. The Construction division offers civil engineering construction and renovation. The Automotive Parts division provides smart car systems and cloud systems. The company was founded on July 22, 1997 and is headquartered in Seoul, South Korea.

HuaDian Heavy Industries Co., Ltd. engages in the provision of industrial engineering services and manufacturing of heavy equipment. Its business includes domestic and international power generation, coal, petrochemicals, mining, metallurgy, ports, water, building materials, and construction. The company also offers material handling engineering services, thermal engineering services, high-end steel works services, and coal projects. HuaDian Heavy Industries was founded in December 2008 and is headquartered in Beijing, China.

Huaibei Mining Co., Ltd., a subsidiary of Province of Anhui, is a Chinese company that engages in coal mining. On August 04, 2018 Huaibei Mining Holdings Co., Ltd. acquired Huaibei Mining Co., Ltd. from Huaibei Mining (Group) Co. Ltd. for $3,111.90 million.

Huaneng Nanjing Jinling Power Generation Co., Ltd., part of Huaneng Power International, Inc., is a Chinese company located in Nanjing that provides power distribution services.

Linyi Mining Group Co. Ltd., a subsidiary of Province of Shandong, is a company headquartered in Linyi, China. The firm mines for coal.

Xi'an West Thermal Power Station Information Technology Co., Ltd., established on 2002-01-31, Business scope includes licensed business items:General operating items:electricity,Technical Research on Coal Information System,software development,technology transfer,Technical Consulting and Services,system integration,Complete set of thermal measuring devices and equipment,Power generation environmental protection technology research and product development(If the above business scope involves the special franchise regulations of the state, the regulations shall be followed.)

Accenture Global Solutions Ltd., a subsidiary of Accenture Plc, is an Irish company located in Dublin. The firm provides management consulting services.

Zhejiang Zheneng Technology Research Institute Co., Ltd., established on 2009-10-16, Business scope includes general items:Research and development of high-efficiency and energy-saving technologies in the power industry;Engineering and Technology Research and Experimental Development;Emerging energy technology research and development;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Metering service;Engineering Management Services;Information Technology Consulting Services;Network technology service;software development;For-profit private training institutions engaged in scientific and technological training(In addition to the subject classes for primary and middle school students,Language and cultural education and training);Power Generation Technical Services(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).licensed items:Inspection and testing service;publications published(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).

Zhejiang Zheneng Port Operation Management Co., Ltd., established on 2014-01-15, The business scope includes providing wharf facilities and cargo handling for ships at the wharf and storage yard of Zhejiang Zheneng China Coal Zhoushan Coal Electricity Co., Ltd. in Liuheng Port Area, Zhoushan Port Area,Warehousing Services,coal,Transshipment of ore and other bulk cargo,loading and unloading,save,prepare,Coal logistics and distribution,Coal trade and other derivative business related thereto,Maintenance of port equipment and auxiliary equipment,Operation and Maintenance,Technical Services(Certificate operation involving qualification or license).

Huaneng Laiwu Power Generation Co., Ltd., established on 2009-11-10, Business scope includes electricity production,Sales;Heat production and supply;Electric energy research and development;coal,fly ash,Slag,Gypsum sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments).