KP Electric Co., Ltd. manufactures transformers. Its products include oil type transformer, cast resin transformer, high-efficiency transformer, amorphous metal core, and special transformer. The company was founded in November 1977 and is headquartered in Incheon, South Korea.

Zhuhai Kangding Electronic Co., Ltd. engages in the research and development, production, sales of electronic transformers, power adapters and automation equipment. It specializes in manufacturing electrical machinery and equipment, power transmission and distribution and control equipment, and power electronic components. The company was founded on May 8, 2004 and is headquartered in Zhuhai, China.

Shanghai Wende New Energy Technology Co., Ltd., established on 2010-01-27, Business scope includes engaging in new energy technology,wind power,solar energy,Energy conservation,electronic technology,battery technology,Technical consultation in the field of environmental protection technology,Technical Services,technology development,technology transfer,Green facilities,energy saving equipment,wind power equipment,solar equipment,Sales of mechanical and electrical products. [Items subject to approval by law,Business activities can only be carried out after approval by relevant departments]

Wolong Electric Group Co. Ltd. engages in the manufacture of motors and drives. Its products include motor and control, power battery, and photovoltaic power station. The motor and control business is mainly divided into low-voltage motors and drives, high-voltage motors and drives, and micro-motors and controls. The company was founded on December 21, 1995 and is headquartered in Shaoxing, China.

Beijing Huatai Transformer Co., Ltd. is a transformer manufacturing company in China. The company is headquartered in Beijing, CN.

Qingdao Fuant New Energy Technology Co., Ltd., established on 2018-04-26, Business scope includes general cargo(issued by the Department of Transportation<road transport business license>Carry out business activities);R & D, production and sales:transformer,Reactor,capacitor,Coil,filter,Regulator,Stabilizer,charger,rectifier,Inverter Power Electronics,Switchgear,Control cabinet,distribution box,Power supply complete electrical installation,Electronic drivetrain,Automation Control System,Instrumentation,Hydraulic and pneumatic power systems and components,electric wire,cable,Communication system equipment,fiber optic cable,Cable mechanical and electrical products and accessories,Electrical materials,Accessories,magnetic material,Magnetic components and parts,wind power equipment,Photovoltaic power generation equipment and components,New energy vehicle charging and swapping equipment products,Distributed power supply and supporting products;Power electronics and new energy technology promotion services and technical consultation,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).

Liaoning Huaye Group Development Co., Ltd., established on 2000-09-20, Business scope includes power transmission and distribution and control equipment manufacturing;Technical Advisory Services;Industrial and mining engineering construction;Import and export of goods and technology.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments.)

Jiangxi Gandian Electric Co., Ltd., established on 2000-04-28, Business scope includes licensed projects:power transmission,powered by,Installation of power receiving facilities,Repair and Test,Construction Engineering Construction(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:transformer,Rectifier and inductor manufacturing,Manufacture of power distribution switch control equipment,Mechanical and electrical equipment manufacturing,Manufacturing of power transmission and distribution and control equipment,Electrical instrumentation manufacturing,Metering technical service,electrical equipment repair,Sales of mechanical and electrical equipment,Foreign contracted projects,stone processing for construction,Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion,Import and export(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Anhui Dongyuan Electric Power Co., Ltd., established on 2015-01-15, Business scope includes distributed power generation projects(6MWthe following);New energy project development;Power Engineering Consulting,survey,design,construction,EPC;Engineering Supervision;Power operation and maintenance;Research and development of energy-saving technology;Power technology research and development;Development and sales of power equipment materials;transmission line,Substation intelligent technology service;Software development and computer information integration services;Research and development of intelligent inspection drones and robots,manufacture;Energy storage project development;Integrated Energy Management Services;Power engineering labor service(In addition to labor dispatch).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Heilongjiang Sanjiang Transformer Co., Ltd., established on 2002-03-14, Business scope includes special transformers,Manufacture of mine explosion-proof transformers and various power transmission and transformation products;Power switch cabinet processing;Special Transformer Repair;Transformer accessories,Steel sales;coal sales;Research and development of various sensors for coal mines,to assemble,Production;Mining Equipment,Research and development of electromechanical products;real estate lease;Transformer and related equipment rental.

Henan Sendian Power Equipment Co., Ltd., established on 2009-02-19, The scope of business includes power transformers,Box-type transformer,Special Transformer,High voltage integrated distribution box,Low-voltage integrated distribution box,10KVComplete set of equipment for pole-mounted transformers,Energy Metering Box,Cable branch box,Ring Main Unit,Switchgear,circuit breaker,Complete sets of high and low voltage power equipment,feeder terminal,station terminal,Distribution transformer terminal,fault indicator,DC charging pile,AC charging pile,Electric Vehicle Charging Equipment,watch box,Transformer housing,iron core,Design of electrical fittings and iron accessories,research and development,Production,Sales and Service;Transformer accessories,steel,Copper,Wire and Cable,Mechanical and electrical equipment and accessories sales;Engaged in electrical equipment technical consulting,Goods import and export business.Involved in licensing projects,It should be operated after obtaining the permission of the relevant department

Zhejiang Ruifan Technology Co., Ltd., established on 2004-03-24, Business scope includes general items:Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Industrial automatic control system device manufacturing;Industrial automatic control system device sales;Industrial Internet Data Service;Intelligent Instrument Manufacturing;Intelligent control system integration;software development;Network and Information Security Software Development;software sales;Internet Security Services;Information system integration service;Manufacturing of power facilities and equipment;Sales of power facilities and equipment;Manufacture of power distribution switch control equipment;Research and development of power distribution switch control equipment;Distribution switch control equipment sales;Import and export;Engineering and Technology Research and Experimental Development(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).licensed items:Electrical Installation Services;Sales of special products for computer information system security(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).

Jiangsu Ryan Electrical Stock Co., Ltd. manufactures electric power transmission and transformation devices. The company was founded on June 20, 2007 and is headquartered in Haian, China.

Part of Gotion High-tech Co., Ltd, Nantong Asitong Appliance Manufacturing Co., Ltd. is a Chinese company located in Nantong. The firm manufactures switch and other related electronic parts.

Hunan Zhongliang Electric Equipment Co., Ltd., established on 2014-10-31, Business scope includes licensed projects:Special equipment manufacturing;Special Equipment Design;power transmission,powered by,Installation of power receiving facilities,Repair and Test;Electrical Installation Services;road freight transport(Does not contain dangerous goods);Inspection and testing of special equipment;Installation, modification and repair of special equipment(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:Manufacturing of special equipment(Manufacture of licensed professional equipment not included);transformer,Rectifier and inductor manufacturing;Manufacturing of power facilities and equipment;Mechanical and electrical equipment manufacturing;Sales of mechanical and electrical equipment;Special Equipment Sales;Manufacture of power distribution switch control equipment;Distribution switch control equipment sales;Research and development of power distribution switch control equipment;Intelligent power transmission and distribution and control equipment sales;total mass4.5Road freight transport of ordinary freight vehicles of 1 ton or less(Except network freight and dangerous goods);Sales of power facilities and equipment;Research and development of high-efficiency and energy-saving technologies in the power industry;Non-residential real estate leases;rental service(Licensed rental services not included);Special equipment rental;electronic,Mechanical equipment maintenance(No special equipment);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).

Guangzhou Zengyin Electric Power Equipment Co., Ltd., established on 2010-04-12, The scope of business includes transformers,Rectifier and inductor manufacturing;Manufacturing of capacitors and their supporting equipment;Manufacture of power distribution switch control equipment;Manufacturing of Power Electronic Components;Manufacturing of photovoltaic equipment and components;Electrical accessories,Manufacture of components for power distribution or control equipment;Wholesale of electrical equipment;Sales of electrical machinery and equipment;Wholesale of electrical equipment;Electrical equipment retail;Electrical Equipment Retailing;Building electrical system installation;Electronic automation engineering installation service;Electronic equipment engineering installation service;Intelligent installation engineering service;Insulation Installation Services;Design of Security Technology Defense System,construction,repair;Mechanical and Electrical Equipment Installation Services;Import and export(Excluding franchised products);

Enersolar Co., Ltd. is a South Korean private company. The firm engages in manufacturing switchgear and switchboard apparatus.

AC Power Corp. is a private company headquartered in Taiwan, with subsidiaries in China. The firm manufactures programmable power supply system.

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.