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.

Pinggao Group Co., Ltd. is a company headquartered in Pingdingshan, China and ultimately controlled by the Government of China. The firm manufactures and distributes high-voltage transformers and related equipment. Yong He Li is the current CEO of the company.\nThe company says this about itself: Pinggao Group Co., Ltd. is a company directly subordinated to the State Grid Corporation of China. It is a major technical equipment pillar company in the electrical industry in China. Its business scope covers R&D, design, manufacturing, sales, testing, related equipment sets, service and project contracting for transmission and distribution equipment, and core business. For medium voltage, high voltage, ultra high voltage and ultra high voltage AC and DC switching equipment manufacturing, research and development, sales and maintenance services. Pinggao Group is the first batch of innovative leading enterprises in Henan Province.

Henan Irdeto Electric Power Equipment Co., Ltd., established on 2006-11-24, The business scope includes porcelain products,Manufacturing and sales of high and low voltage electrical equipment and its components;Electrical test equipment,Production of instruments,Sales and technical consulting services;Wholesale and retail of metal materials;Import and export business of self-operated and agent goods and technology.

Sichuan Baoguang Electric Equipment Co., Ltd., established on 2003-10-15, Business scope includes manufacturing,Sales:High and low voltage switchgear and environmental protection equipment;Other legal items that do not require licenses or approvals.

Henan Pinggao Electric Co., Ltd. engages in the research, development, design, manufacturing, and sale of switchgear, control equipment, and accessories. Its products include GIS, disconnectors, circuit breakers, gas recovery devices, composite insulators, high voltage switchgear, low voltage switchgear, high voltage apparatus components, and outdoor high voltage equipment. The company was founded on December 14, 1998 and is headquartered in Pingdingshan, China.

China Xd is research, develops, manufactures, tests, and inspects a range of equipment for voltage, extra-high voltage, and ultra-high voltage power transmission and distribution. Their products such as include high-voltage DC and AC systems, voltage capacitor transformers, converter transformers, shunt capacitors, smoothing reactors, gas-insulated switchgear, high-voltage disconnectors, HGIS products, and filter capacitors.

Cegelec provides engineering design, maintenance, and facilities and infrastructure building services to customers in industry, infrastructure, and service sectors worldwide. The company’s services include definition of specifications based on an analysis of the client’s requirements; engineering studies in line with those specifications; detailed engineering work founded on the basic engineering studies; equipment procurement and delivery; installation, implementation, validation; and facilities maintenance and upgrading, etc.

Shenyang Huali Energy Equipment Manufacturing Co. Ltd. is a Chinese private company. The firm manufactures metalworking machinery.

Jiangsu New Era Electric Technology Co., Ltd., established on 2007-12-20, Business scope includes licensed projects:Manufacture of railway transportation infrastructure(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) General project:transformer,Rectifier and inductor manufacturing;Manufacturing of power facilities and equipment;Sales of power facilities and equipment;Manufacture of power distribution switch control equipment;Distribution switch control equipment sales;Manufacturing of Power Electronic Components;Sales of power electronic components;Manufacturing of power transmission and distribution and control equipment;Intelligent power transmission and distribution and control equipment sales;Research and development of power distribution switch control equipment;Manufacturing of electronic components;Wholesale of electronic components;Electronic Components Retail;Sales of mechanical and electrical equipment;Manufacturing of electronic components and electromechanical components;Sales of electronic components and electromechanical components;Mechanical and electrical equipment manufacturing;electronics sales;Manufacturing of mobile terminal equipment;Sales of mobile terminal equipment;General machinery and equipment installation services;Mechanical equipment research and development;Machinery sales;Generator and generator set manufacturing;Sales of generators and generator sets;Wind turbines and parts sales;Solar Power Technology Services;Sales of solar thermal power generation products;General equipment manufacturing(Does not include special equipment manufacturing);Hardware product development;Manufacturing of hardware products;Wholesale of hardware products;Hardware retail;Mechanical Parts,Parts processing;Mechanical Parts,Parts sales;Audio Equipment Manufacturing;Audio Equipment Sales;Special Equipment Sales;Electric Bike Repair;electric bike sales;rental service(Licensed rental services not included);Marine supporting equipment manufacturing;Sales of railway transportation infrastructure equipment;Manufacturing of photovoltaic equipment and components;Photovoltaic equipment and components sales;Photovoltaic power generation equipment rental;Manufacture of special equipment for environmental protection;Environmental protection special equipment sales;Energy Storage Technology Services;Sales of solar thermal utilization equipment;Sales of solar thermal utilization products;Metal Material Sales(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Part of Sieyuan Electric Co., Ltd., Jiangsu Rugao High Voltage Electrical Apparatus Co., Ltd. is a Chinese company located in Nantong that manufactures high voltage circuit breakers and other electrical apparatus. On September 14, 2004 Sieyuan Electric Co., Ltd. acquired Jiangsu Rugao High Voltage Electrical Apparatus Co., Ltd. for $1.45 million.

Alstom is a global leader in the world of power generation, power transmission, and rail infrastructure and sets the benchmark for innovative and environmentally friendly technologies. Alstom builds the fastest train and the highest capacity automated metro in the world, provides turnkey integrated power plant solutions and associated services for a wide variety of energy sources, including hydro, nuclear, gas, coal and wind, and it offers a wide range of solutions for power transmission, with a focus on smart grids. The Group employs 92,000 people in around 100 countries.

Shandong Taikai Vacuum Switch Co., Ltd., established on 2005-03-07, Business scope includes vacuum circuit breakers,for nuclear power generation,wind power,Load switch for hydroelectric power system-Fuse combination electrical appliance,Generator circuit breakers and complete sets of equipment(and its accessories)the design of,manufacture,Sales,Installation, commissioning and maintenance;Export business of electromechanical products and mechanical equipment required by the enterprise,spare parts,Import business of raw and auxiliary materials.*(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

CHINT Electrics Co., Ltd. (doing business as Zhejiang CHINT Electrics Co. Ltd.), a subsidiary of CHINT Group Corp., is a Chinese company located in Yueqing. The firm manufactures and distributes low voltage electrical devices.

Shenyang Kaidi Insulation Technology Co., Ltd., established on 2006-06-06, Business scope includes high voltage electrical equipment,power capacitor,Transformer,casting,mechanical parts,Insulation Materials,Insulation moldings,General mechanical equipment and spare parts,Electronic equipment and spare parts,Electrical equipment and spare parts,Power transmission and transformation operating mechanism,hardware tools,cable,rubber products,Metal material manufacturing,test,wholesale;Machining,surface treatment;Construction of high-voltage electrical complete sets of engineering,device installation,debugging,repair,After-sales service;Technology transfer,Serve,consult,to develop;Domestic general trade;Self-operated and agent import and export of various commodities and technologies.(Except for commodities and technologies that are prohibited from operation and restricted from import and export by the state,If quotas are involved,of license-managed goods,Apply in accordance with relevant national regulations).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments.)

State Grid Shanxi Electric Power Company, established on 1989-05-18, Business scope includes electricity,Electric equipment production,supply,Basic construction of electric power engineering,planning,Survey and design(limited branch);Construction and installation,debugging;Electricity sales business;Organize Power Trading;Power Technology Development,Research;Undertake power business expansion project,Relevant adjustment tests and laboratory services;Instrumentation Repair;Provide power technology consulting services;power dispatch,communication,information;Transmission business;Power distribution business;Installation of electrical facilities,repair,test,Substation project,device installation,repair,test,maintain;Energy saving service;Electric vehicle charging and swapping service;Integrated Energy Services;Power construction quota entrusted by the government,Quality supervision business,Operating other businesses approved or permitted by the state;Foreign contracted projects,Equipment required for contracting overseas projects in this industry, domestic international bidding projects and overseas projects,Material export;System internal staff training(For branch only).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Beijing Beikai Electric Co., Ltd., established on 1999-12-28, Business scope includes high and low voltage switch control equipment,Manufacture of superconducting mechatronic switch control equipment,processing,Install,Sales,repair,Serve;technology development,technical consulting,Technical Services,Technical Training;Project Investment Management;Operate the self-produced products and technology export business of the enterprise and its member enterprises;Raw and auxiliary materials required for the production of the enterprise and member enterprises,Instrumentation,Equipment,Import business of spare parts and technology(The state restricts the operation of the company and the state prohibits the import and export of goods except);operating incoming material processing and"Three to one make up"business;Office space for rent;property management.(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.)

Henan Senyuan Electric Co., Ltd. engages in the research, development, production, and sale of voltage and transmission equipment and components. It offers high and low voltage switchgear sets, special power transmission and transformation products, intelligent direct current (DC) and alternating current (AC) charging piles, intelligent power quality management equipment, new energy power generation stations, rail transit and railway electrification products, intelligent manufacturing robot operation, sanitation industry services, and operation of shore power facilities and emission reduction facilities. The company was founded on October 30, 2000 and is headquartered in Xuchang, China.

Yuanzhong Electric Co., Ltd., established on 2012-10-25, Business scope includes electric energy metering box,JPcabinet,High and low voltage complete sets of equipment,Power transmission and transformation equipment,power cable,transmission line tower,Power fittings,iron attachment,Signage,Cable support,Production and sales of substation frame supports;Power System Installation Services;electronics sales;hardware products,building materials,Purchase and sale of cement products.

Zhejiang Huayi Electrical Technology Co., Ltd., established on 2000-09-22, Business scope includes general items:Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Manufacture of power distribution switch control equipment;Manufacturing of power facilities and equipment;software development;software sales;Software outsourcing service;housing lease;Machinery and Equipment Leasing(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).

State Grid Hebei Electric Power Co., Ltd. Zhangjiakou Power Supply Company, established on 1980-09-30, The scope of business includes power supply in the administrative area of ​​Zhangjiakou City;Technical Services.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)