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.

Nanjing Yi Ke Teng Information Technology Co., Ltd., established on 2019-04-09, The business scope includes quantum technology communication products,Information system,communication device,communication terminal,Communication equipment development,technical consulting,System integration services and related equipment,software production,Sales,Technical Services.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments) licensed items:The first type of value-added telecommunications services;The second type of value-added telecommunications services;Import and export;Technology Import and Export;Import and export agency(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:software development;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)

Beijing Fibrlink Communications Co. Ltd. (doing business as FibrLINK Communications Co. Ltd.) is a Chinese private company located in Beijing that provides engineering services.

Matrix Time Digital Technology Co., Ltd., established on 2021-01-11, Business scope includes licensed projects:The first type of value-added telecommunications services;The second type of value-added telecommunications services(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:Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Information Technology Consulting Services;Information system integration service;Internet of Things Technology Services;Intelligent control system integration;Communication equipment manufacturing;Manufacturing of computer software, hardware and peripheral equipment;Manufacturing of mobile communication equipment;Manufacturing of mobile terminal equipment;Internet equipment manufacturing;Network equipment manufacturing;Artificial intelligence theory and algorithm software development;Artificial intelligence industry application system integration service;Artificial intelligence public data platform;Communication equipment sales;Sales of mobile communication equipment;Sales of mobile terminal equipment;IoT Device Sales;electronics sales;Wholesale of computer software, hardware and auxiliary equipment;Retailing of computer software, hardware and auxiliary equipment;Computer System Services;Wholesale of electronic components;Electronic Components Retail;Information Security Equipment Manufacturing;Network and Information Security Software Development(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Nanjing Kexin Quantum Technology Co., Ltd., established on 2018-10-24, Business scope includes general items:Quantum Computing Technology Services;Technology promotion and application services;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Network and Information Security Software Development;Communication equipment sales;Information security equipment sales(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license) Limited to branch operations:Communication equipment manufacturing;Information Security Equipment Manufacturing

Ruban Quantum Technology Co., Ltd., established on 2017-11-29, Business scope includes information system technology,quantum communication technology,converged communication technology,Technology development for universal quantum technologies,Technical Services,Technical consultation and transfer of technological achievements;Development of commercial encryption products;Computer System Integration Services;Sales:communication products,electronic product(Except for electronic publications),computer software,the hardware.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Guoke Quantum Communication Network Co., Ltd., established on 2016-11-29, Business scope includes general items:Quantum Computing Technology Services;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;software development;software sales;Wholesale of computer software, hardware and auxiliary equipment;electronics sales;Machinery sales;Mechanical equipment research and development;Communication equipment sales;Information system integration service.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license) licensed items:Basic Telecom Services;The first type of value-added telecommunications 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)

Nanjing Rupan Quantum Technology Co., Ltd., established on 2019-06-06, Business scope includes quantum communication technology,Universal Quantum Technology,information system technology,Research and development of converged communication technology,Technical Services,Technical consulting and technology transfer;Computer System Integration Services;communication products,electronic product,Computer software and hardware sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Henan Guoke Quantum Communication Network Co., Ltd., established on 2020-11-11, Business scope includes general items:Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Information system integration service;Network and Information Security Software Development;Network technology service;Information system operation and maintenance services;Information Technology Consulting Services;Machinery sales;Mechanical equipment research and development;Network Equipment Sales;Sales of commercial encryption products;Information security equipment sales;Communication equipment sales(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)