Guangzhou Metro Group Co., Ltd. engages in the construction, operation, and management of urban rail transit system. It focuses on engineering construction, operation management, development, and operation of subsidiary resources of Guangzhou urban rail transit system. Its business includes property development and operation, subway affiliate resources, professional external service, rail transit equipment manufacturing, and subway business. The company was founded on November 21, 1992 and is headquartered in Guangzhou, China.

Liuzhou Tedian New Energy Co., Ltd., established on 2016-03-15, Business scope includes general items:Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Electric Vehicle Charging Infrastructure Operations;Centralized fast charging station;Motor vehicle charging sales;Charging pile sales;Sales of electric accessories for new energy vehicles;IoT Device Sales;internet sales(Except for products that require a license for sale);Information Consulting Service(Not including licensing information consulting services);software sales;car park service;Engineering Management Services;advertisement making;advertising(non-broadcasting station,television station,Newspaper Publishing Unit)(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

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.

State Grid Shanghai Municipal Electric Power Co. (doing business as SMEPC) is a company headquartered in Shanghai, China and ultimately controlled by the Government of China, that engages in electricity distribution.