Doosan Enerbility Co., Ltd. engages in the provision of water treatment, construction and power plant projects. It operates through the following business areas: Power Generation, Water, Industry, Castings and Forgings, and Construction. The Power Generation business offers power plants, power generation equipment, retrofits and upgrades. The Water business provides seawater desalination plants and water treatment systems. The Castings and Forgings business engages in power generation, shipbuilding, iron and steel making, petrochemical and industrial components, mold and tool steel production. The Construction business involves in different plants, civil engineering and architecture. The company was founded on September 20, 1962 and is headquartered in Changwon, South Korea.

Korea Institute of Civil Engineering and Building Technology contributes to the development of the Korean construction industry.

Daewoo Construction Co. Ltd. is a South Korean private company. The firm provides construction services.

Nanjing Zhongdian Smart Technology Co., Ltd., established on 1995-06-26, Business scope includes research and development of computer software and hardware,Sales,Technical Services;computer information system,automated system,Security system research and development,technology transfer;Industrial Internet,internet of things,Big Data Technology Development,technical consulting,Technical Services;Instrument sales;electricity,Environmental friendly,petrochemical,chemical industry,Design of water treatment equipment,research and development,Sales,contractor,Install,debugging,Technical Services;Self-operated and agent import and export business of various commodities and technologies(Except for commodities and technologies that the state restricts the company to operate or prohibits the import and export of).

State Grid Hebei Energy Technology Service Co., Ltd., established on 1998-10-07, Business scope includes power equipment adjustment,test,Manufacturing supervision and inspection,lease;Power Technology Development,transfer,consultation service;Research on high-tech products,to develop;Energy saving technology development,to promote,Serve,consult;Electric demand side management evaluation,energy assessment,Cleaner Production Assessment,Energy efficiency evaluation,energy saving assessment;Energy Saving,Technical Services;computer technology development,to promote,consult,Serve;Science and technology novelty check.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Hunan Xiangdian Research Institute Co., Ltd., established on 1992-03-18, Business scope includes licensed projects:power transmission,powered by,Installation of power receiving facilities,Repair and Test;Safety Evaluation Business;Inspection and testing service;Inspection and testing of special equipment;Quality inspection of construction projects;Safety production inspection and testing;Lightning protection device detection;Mapping service;Catering Services(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;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Metering technical service;software development;Research and development of power distribution switch control equipment;Information Technology Consulting Services;Internet of things technology research and development;Internet of Things Technology Services;Environmental Protection Monitoring;Research and development of online energy monitoring technology;Wind farm related system development;Research and development of high-efficiency and energy-saving technologies in the power industry;Network and Information Security Software Development;New material technology research and development;Carbon emissions,carbon conversion,carbon capture,Research and development of carbon sequestration technology;Energy Storage Technology Services;Industrial Internet Data Service;Digital Content Production Services(Does not include publishing);Centralized fast charging station;Electric Vehicle Charging Infrastructure Operations;rental service(Licensed rental services not included);Non-residential real estate leases;Conference and Exhibition Services;Engineering Management Services;Internet Security Services;Labor service(Does not include labor dispatch)(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).

Jiangsu Jiuwu Hi-Tech Co., Ltd. principally engages in the research, development, and production of ceramic membrane materials and complete sets of membrane equipment. It designs and provides systematic overall solutions of membrane integration technology for the industrial process separation and environmental protection water treatment fields as well as offers operation technical support and operation services. The company was founded on December 22, 1997 and is headquartered in Nanjing, China.

SK ekoplant is a top-tiered global city developer and infrastructure builder. SK ekoplant is one of the leading subsidiaries of SK group. SK ekoplant is one of the world’s best companies in the engineering industry, undertaking plants on EPCC basis (Engineering, Procurement, Construction and Commissioning) in the fields of Refineries, Petrochemicals, Fertilizer, Industrial Plants and Environmental Plants, Plants to wireless mobile communication equipment worldwide. As a major player in high-tech engineering market of the 21st century, SK ekoplant is committed to becoming the top-tier company by acquiring the drive for the future growth through the expansion of overseas markets and the launching of new products and by successful establishing the developed enterprise structure through improvement of internal system and process as well as performance assessment system. SK ekoplant is currently carrying out huge projects in U.S, Saudi Arabia, China, Thailand, Vietnam, India, Ecuador, Qatar, Algeria, Venezuela and CIS. This outstanding achievement is the culmination of SK ekoplant's extensive project experience, superior technology, and talents.

Taeyoung Construction Co. Ltd. is a South Korean private company that provides construction services.

Horizon Water Co., Ltd. is a Chinese private company located in Beijing that provides waste-water solution services.

Kookmin University Industry-Academic Cooperation is an independent academic corporation.

Baosteel Engineering & Technology Group Co. Ltd. is a Chinese private company located in Shanghai with a presence in China. The firm provides construction, architectural and environmental engineering services.

State Grid Hebei Electric Power Co., Ltd. Electric Power Research Institute, established on 1990-06-02, Business scope includes technical supervision of power system,technology development,Technical Training,it,Power technical service,Electric power construction adjustment test;Power Technology Consulting Services;own equipment,Realtor.

Jiangsu Linou Environmental Protection Technology Co., Ltd., established on 2007-05-14, The business scope includes the production of environmental protection filter materials and dust removal equipment;Fabric manufacturing;Manufacturing and sales of cotton textiles;Textile Raw Materials,textile accessories,clothing,Hardware sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

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.

Operates as a bank

Shaanxi Shaanxi Huangling Mining Co., Ltd., established on 2008-12-31, Business scope includes coal mining,Washing and processing,Sales(Subsidiary enterprises are restricted to produce with a license,operate),Self-operated railway transportation,Procurement of industrial and mining equipment and accessories,Processing and Manufacturing,Mine construction and mine electromechanical installation,building materials,Wholesale and retail of Wujinjiaodian,Project Quality Supervision,Enterprise community property management,mine communication,heating,the medical.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Jiangsu Qinerkang Environmental Electric Co., Ltd., established on 2014-09-23, Business scope includes civil water purification equipment,Research and development of air purification equipment and electrical appliances,Production,Sales;Development of Commercial Electric Water Boiler,Production,Sales;Own Equipment Rental;Self-operated and agent import and export business of various commodities and technologies(Except for commodities and technologies that the state restricts enterprises to operate or prohibits import and export)(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments).

Tianjin TEDA New Water Source Technology Development Co., Ltd., established on 2001-10-11, Business scope includes water treatment system engineering integration;Urban sewage treatment,Industrial Wastewater Treatment,Desalination of seawater and brackish water;Recycled water,industrial pure water,Water treatment equipment sales;Water Treatment Facility Operation,manage,design,consult,Technical Services;Mechanical and electrical equipment maintenance and repair.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)