TDK Corp. engages in the manufacture, distribution, and sale of electronic components. It operates through the following business segments: Passive Components, Sensor Application Products, Magnetic Application Products, Film Application Products and Others. The Passive Components segment offers ceramic capacitors, aluminum electrolytic capacitors, film capacitors, inductive devices, high-frequency components, piezoelectric material components, circuit protection devices, and sensors. The Sensor Application Products segment includes temperature and pressure, magnetic, and MEMS sensors. The Magnetic Application Products segment provides Hard Disk Drives (HDD) head, HDD use suspension, power supplies and magnet. The Film Application Products include energy devices like rechargeable batteries, and applied films. The Others segment covers mechatronics manufacturing equipment. The company was founded by Kenzo Saito on December 7, 1935 and is headquartered in Tokyo, Japan.

Changzhou Yimai New Material Technology Co., Ltd., established on 2014-06-13, The scope of business includes research and development of new metal materials;Communication equipment and accessories,car parts,Manufacturing of hardware,processing,Sales;Sales of metal products.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments). General project:Research and development of special electronic materials;Sales of electronic special materials;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Machinery sales;Testing machine sales;battery sales;Battery spare parts sales(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

North China Electric Power Research Institute Co., Ltd. (doing business as NCEPR) is a company headquartered in Beijing, China and ultimately controlled by the Government of China, that engages in electric power generation.

Nanjing Iron & Steel Co., Ltd. engages in the production of metal products. Its business activities include ore mining, coking, sintering, iron making, steel making, and steel rolling processes. Its products include metal sheets, rods, wires, strip steel, and deep processed metal products. The company was founded in 1958 and is headquartered in Nanjing, China.

Anhui Tenglong Pump Valve Manufacturing Co., Ltd. is a professional manufacturer in the design, production and sales of chemical pumps and valves in China. The company is located in Jingxian Economic Development Zone, Xuancheng City, Anhui Province. The products are widely used in chemical industry, medicine, environmental protection, metallurgy, paper making, electronics, steel and other fields. Since its establishment, it has been constantly improving resources and optimizing integration, with imported quality and domestic price. It has adopted international manufacturing standards and invited the Institute of Fluid Machinery of Jiangsu University to design a TPA computer detection system. Anhui Tenglong Pump Valve Manufacturing Co., Ltd. is a professional manufacturer in the design, production and sales of chemical pumps and valves in China. The company is located in Jingxian Economic Development Zone, Xuancheng City, Anhui Province. The products are widely used in chemical industry, medicine, environmental protection, metallurgy, paper making, electronics, steel and other fields. Since its establishment, it has been constantly improving resources and optimizing integration, with imported quality and domestic price. It has adopted international manufacturing standards and invited the Institute of Fluid Machinery of Jiangsu University to design a TPA computer detection system. Anhui Tenglong Pump Valve focuses on taking more social responsibilities in building a harmonious society. In 2011, it was awarded the title of "Excellent Enterprise of Phoenix Return to Nest Project" by Jingxian County Party Committee and Government, and in 2014, it was awarded the title of "Practical Teaching Base of Hefei University of Technology". In 2015, it won the title of "National High tech Enterprise".

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.

Hangzhou Ineng Power Technology Co., Ltd., established on 1993-03-31, Business scope includes technology development,Technical Services,technical consulting,Achievement transfer:generate electricity,power transmission,substation,power distribution,energy saving,Green facilities,smart grid technology,Computer hardware and software,Network Information Technology,Instrumentation Testing Technology,Physical and chemical test;Serve:Equipment rental,Own house rental,Educational information consultation(Excluding teaching activities and study abroad agencies);undertake:General contracting of electric power engineering construction,Construction labor subcontracting(In addition to labor dispatch),Power engineering commissioning,Water treatment project,boiler cleaning(Operate with qualifications);wholesale,retail:electric equipment,Chemical raw materials and products(Removal of hazardous chemicals and precursor chemicals);Import and export of goods or technology(Except for the import and export of goods and technologies that are prohibited by the state or involve administrative approval);Including the business scope of subordinate branches;All other legal items that do not need to be submitted for approval(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

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.

Lufeng New Materials (Guangdong) Co., Ltd., established on 2021-02-02, Business scope includes general items:Electronic special material manufacturing;Sales of electronic special materials;Research and development of special electronic materials;Manufacturing of new energy original moving equipment;New material technology promotion service;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)

China Railway Construction Bridge Engineering Bureau Group Sixth Engineering Co., Ltd., established on 2012-03-06, Business scope includes highway engineering,building engineering,Municipal public works,Water Resources and Hydropower Engineering,Railway Engineering Construction;construction machinery construction equipment,Material rental and sales;Blasting engineering design and construction,assess safety,Safety Supervision;Construction labor subcontracting(Non-labor dispatch and foreign labor cooperation business)(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments).

China Railway Construction Bridge Engineering Bureau Group Fourth Engineering Co., Ltd., established on 1989-05-12, Business scope includes licensed projects:Construction Engineering Construction;Real estate development and management.General project:Sales of building materials;mold making;Mold Sales;Manufacturing of special equipment(Manufacture of licensed professional equipment not included);Machinery sales;housing lease;Construction machinery and equipment rental;rental service(Licensed rental services not included).

China Railway Construction Bridge Eng Bureau Group Co., Ltd. is a Chinese company located in Tianjin and ultimately controlled by the Government of China. The firm provides railway construction services.

Korea Electric Power Corporation (NYSE: KEP, KRX: 015760), better known as KEPCO (Hangul: 켑코) or Hanjeon (Hangul: 한전), is the largest electric utility in South Korea, responsible for the generation, transmission and distribution of electricity and the development of electric power projects including those in nuclear power, wind power and coal. KEPCO is responsible for 93% of Korea's electricity generation. The South Korean government (directly and indirectly) owns a 51.11% share of KEPCO. Together with its affiliates and subsidiaries, KEPCO has an installed capacity of 65,383 MW. On the 2011 Fortune Global 500 ranking of the world's largest companies, KEPCO was ranked 271. KEPCO is a member of the World Energy Council, the World Nuclear Association and the World Association of Nuclear Operators. As of August 2011, KEPCO possesses an A+ credit rating with Fitch Ratings, while Moody's has assigned KEPCO an A1 stable rating.

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.

Xinjiang Guangtou Guidong Electronic Technology Co., Ltd., established on 2020-08-31, The business scope includes the manufacture of electronic special materials;Sales of electronic special materials;Research and development of special electronic materials;Domestic Freight Forwarding;Domestic trade agent;Import and export;Technology Import and Export;road freight transport(Does not contain dangerous goods);road freight transport(Contains dangerous goods).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

State Grid Hunan Electric Power Co., Ltd. Electric Power Research Institute, established on 2007-07-10, Business scope includes power technical services;Power Technical Supervision;Power Technology Development;electric equipment,Instrument Verification,calibration,detection;Power Technology Consulting;power planning;Computer software information development services;Power equipment network access management;Power Environmental Assessment.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Tokai Carbon produces and sells carbon black, friction materials, anode materials, industrial furnaces, graphite electrodes, and carbon black. They produce carbon materials that are necessary in various industrial industries as a manufacturer of carbon products.

Toshiba Corporation (株式会社東芝 Kabushiki-gaisha Tōshiba, English: /təˈʃiːbə, tɒ-, toʊ-/) is a Japanese multinational conglomerate headquartered in Tokyo, Japan. Its diversified products and services include information technology and communications equipment and systems, electronic components and materials, power systems, industrial and social infrastructure systems, consumer electronics, home appliances, medical equipment, office equipment, as well as lighting and logistics.

Korea Hydro & Nuclear Power Co. Ltd. produces and supplies electric power. It operates nuclear plants in Busan, Ulsan, North-Gyeongsang, and North-Jeonla and renewable energy generation facilities. The company was founded on April 2, 2001 and is headquartered in Seoul, South Korea.

Sumitomo Wiring Systems (U.S.A.), Inc., a subsidiary of Sumitomo Electric Industries Ltd., is an American company located in Bingham Farms, MI. The firm manufactures and wholesales automotive electronics distribution system.