Advantest manufactures and sells semiconductor and component test system products and mechatronics-related products. It operates through Semiconductor and Component Test System; Mechatronics System; and Services, Support and Others segments. The Semiconductor and Component Test System segment provides customers with test system products for the semiconductor industry and the electronic parts industry. This segment offers test systems for SoC semiconductors for use in non-memory semiconductor devices; and test systems for memory semiconductors for use in memory semiconductor devices. The Mechatronics System segment provides test handlers; mechatronic-applied products for handling semiconductor devices; and device interfaces, which serve as interfaces with the devices that are measured. This segment also engages in the operations related to nano-technology products. The Services, Support, and Others segment provides customer solutions for the semiconductor and component test system and mechatronics system segments; and support services. This segment is also involved in the equipment lease business and others. Moreover, Advantest engages in research and development activities measuring and testing technologies; and sale of used products. It serves fabless semiconductor companies, foundries, and test houses, as well as industrial, design, and manufacturing companies in Japan, Korea, the People's Republic of China, Taiwan, Singapore, the Americas, and Europe. Advantest began operation in 1954. It has its headquarters in Tokyo in Japan.

China Southern Power Grid Research Institute Co., Ltd., established on 2010-11-05, The scope of business includes carrying out scientific research on power grids,technology development,Product development,Equipment manufacturing and sales,technology transfer,technical supervision,Technical Training,technical consulting,Technical services and other businesses;Carry out project review,Power engineering commissioning,System integration and other services;invest,Operating industries related to power grid core technologies and new power grid technologies;Power transmission and transformation engineering equipment supervision,engineering design,project consultancy,engineering construction;Develop information systems,System operation and maintenance and software sales business;electric equipment,Inspection and testing of electrical equipment;Computer Network Technology Services;<China Southern Power Grid Technology>journal editor,publishing,issued;design,make,acting,Publish various advertisements at home and abroad;goods,Technology Import and Export(law,Except for items prohibited by administrative regulations;law,Projects restricted by administrative regulations must obtain a license before they can operate).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

GKN Sinter Metals, Inc. manufactures precision powder metal components. It offers sinter metal components, self-lubricating bearings, filter technology and components of specified porosity, powder metal injection moldings, powder forged components, aluminum sinter metal, and soft magnetic sinter metal components. The company was founded in 1759 and is headquartered in Auburn Hills, MI.

Zhejiang Electromechanical Product Quality Inspection Institute Co., Ltd., established on 2020-04-03, Business scope includes licensed projects:Inspection and testing service;Safety Evaluation Business(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:Metering technical service;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Testing machine manufacturing;Testing machine sales;Intellectual Property Services(Except for patent agency services);Non-residential real estate leases(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).

Shenzhen Wance Testing Machine Co., Ltd. is a Chinese private company located in Shenzhen that manufactures and sells electromechanical UTM, servo-hydraulic UTM, pendulum impact tester, drop weight impact tester and other products.

Guizhou Power Grid Co. is a company headquartered in China ultimately controlled by the Government of China. The firm provides electric power services.

China Southern Power Grid Company Limited (CSG; Chinese: 中国南方电网; pinyin: Zhōngguó Nánfāng Diànwǎng) is one of the two state-owned enterprises established in 2002 according to the precept to reform the power system promulgated by the State Council of the People's Republic of China, the other being State Grid Corporation of China. It takes charges of participating in the investment, construction and management of power transmission, transformation and distribution covering China's five southern provinces of Guangdong, Guangxi, Yunnan, Guizhou and Hainan, while power generation is done by other five "power generation groups". The company is headquartered in Guangzhou.

Xuchang KETOP Testing Research Institute Co., Ltd. engages in the provision of inspection and testing services. Its business activities include power system secondary equipment testing services, sale of testing equipment, and other technical services. It offers power system protection and control equipment testing, new energy control equipment and system testing, and electrical vehicle charging and replacement system testing services. The company was founded on January 27, 2005 and is headquartered in Xuchang, China.

Guangdong Eagle Vision Energy Efficiency Technology Co., Ltd., established on 2015-05-27, Business scope includes research and development of electrical equipment,design,Install,maintain,repair,lease,Test testing and technical transformation,Research and development of energy-saving technology,application,transform,Consulting and Promotion,Electrical Equipment,components,communication device,Labor protection supplies,Electrical Safety Tools,Hydraulic Tools,Sales of Wujinjiaodian and energy-saving products(Including online sales),Safety Electricity Inspection,detection,Evaluate,software development,Sales,maintain,Data Processing and Storage Services,Conference Services;Labor dispatch service.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments.)(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

China FAW Co., Ltd. engages in the manufacture of automobile. It operates through the brand names of HONGQI, New HONGQI, JIEFANG, and BESTUNE. The company produces passenger cars, trucks, and buses. China FAW was founded on June 28, 2011 and is headquartered in Changchun, China.

Yunnan North Photoelectric Instrument Co., Ltd., established on 2007-03-20, Business scope includes licensed projects:Inspection and testing service;Defense Metrology Services;Production of Class III Medical Devices(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:Optical Instrument Manufacturing;Optical Instrument Sales;Optical Glass Manufacturing;Optical Glass Sales;Sales of functional glass and new optical materials;Mechanical Parts,Parts processing;Mechanical Parts,Parts sales;General equipment manufacturing(Does not include special equipment manufacturing);General parts manufacturing;Metal Cutting Services;Manufacturing of electronic components;navigation,surveying and mapping,Manufacture of special instruments for meteorology and oceanography;navigation,surveying and mapping,Sales of Meteorological and Oceanographic Special Instruments;mold making;Manufacturing of experimental analysis instruments;Natural science research and experimental development;Instrument Manufacturing;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;trade broker;Cultural Venue Management Services;property management;Non-residential real estate leases(It is strictly prohibited to engage in the subletting business);Land use right lease(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).

China Academy of Aerospace Aerodynamics is a Chinese company ultimately controlled by the Government of China. The firm engages in research and development of aircraft.

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.

Part of China Railway Hi-tech Industry Corp. Ltd., China Railway Engineering Equipment Group Co., Ltd. is a company headquartered in Zhengzhou, China. The firm operates as an investment holding company.

Shanghai Hyperion Electromechanical Equipment Co., Ltd., established on 2021-09-08, Business scope includes licensed projects:Import and export;Technology Import and Export(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:Machinery sales;Terminal test equipment sales;Mechanical Parts,Parts sales;electronics sales;Instrument sales;Wholesale of hardware products;Hardware retail;Paper Products Sales;Wholesale of computer software, hardware and auxiliary equipment;Retailing of computer software, hardware and auxiliary equipment;Chemical product sales(No licensed chemical products);Sales of knitted textiles and raw materials;Clothing and apparel retail;Arts and crafts and etiquette supplies sales(Except for ivory and its products);Sales of building materials;Metal Material Sales;Gas Compression Machinery Sales;Mining Machinery Sales;Office Supplies Sales;General machinery and equipment installation services;Special Equipment Repair;Maintenance of transportation facilities;Industrial robot installation,repair;electronic,Mechanical equipment maintenance(No special equipment);General Equipment Repair;Information Consulting Service(Not including licensing information consulting services);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 General Nuclear Power Corporation, established on 2014-03-25, Business scope includes general business items:,The licensing program is:Nuclear-dominated electricity production,Heat production and supply,Related Professional Technical Services,nuclear waste disposal,Organize and implement the construction and management of nuclear power plant projects;Organize the operation of nuclear power plants,Maintenance and related business;Organize and develop the design and scientific research work of nuclear power plants;Engage in related investment and import and export business.

China General Nuclear Power Group is an energy corporation that focuses on the development of clean energies like nuclear power, wind power, nuclear fuel, and solar power. The company has over 30 years of experience in research and development and operation of nuclear power projects. The company's mission is to develop quality clean energy to benefit mankind with safety while pursuing excellence. China General Nuclear Power Group was founded on 1994 and is headquartered in Shenzhen, China.

Guangxi Power Grid Co., Ltd. Electric Power Research Institute, established on 2009-09-30, Business scope includes electric power scientific research,technology development,technical supervision,Technical Services,Technical Training;Power Consulting Services;generate electricity,Power transmission and distribution engineering undertaking test;Power Industry Metrology Verification,calibration;new technology,New product development;Development and Utilization of New Energy,Purchase and sale of power supplies.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments.)