Beijing Quanlu Communication Signal Research and Design Institute Group Co., Ltd., established on 1994-11-18, Business scope includes railway communications,protection,Signal,Power and supporting engineering design;Engineering surveys matching the design scope,Engineering geological survey;Architectural Engineering Design;technology development,technical consulting,technology transfer,Technical Services;System Integration Technology Development;Sales of new products that have been identified as qualified after development;System Integration Testing,Install;Import and export;Technology Import and Export;Agent import and export;use<Railway Communication Signal Engineering Technology>Place an ad[Except for projects that have not obtained special permits in the scope of business];Import and export;Technology Import and Export;Agent import and export;publishing,issued<Railway Communication Signal Engineering Technology>.(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.)

Nanjing Metro Construction Co., Ltd., established on 2012-09-11, Business scope includes rail transit engineering,Underground engineering,Geotechnical Engineering,road bridge,civil engineering construction;engineering design,Engineering Supervision,Engineering Consulting;building materials,Electrical Equipment,Wujinjiaodian,Chemical product sales;Line pipeline equipment installation,survey,Measurement;Waterproof construction;property management;own house,Equipment Leasing.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Nanjing Metro offers metro project construction, management, and maintenance services. Nanjing Metro providing local and suburban mass passenger transportation also.

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.

Tianjin Nuohe Medical Laboratory Co., Ltd., established on 2014-06-27, Business scope includes licensed projects:medical service.(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:Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Import and export;Technology Import and Export;Machinery sales;Chemical product sales(No licensed chemical products);electronic,Mechanical equipment maintenance(No special equipment);Computer and Office Equipment Repair;Information Consulting Service(Not including licensing information consulting services).(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Tianjin Xianrui Technology Development Co., Ltd., established on 2011-07-18, Business scope includes electronic information,Computer software and hardware technology development,consult,Serve,transfer;Computer Network Engineering Design,construction;Computer and peripheral equipment installation and maintenance;computer graphic design;Goods and technology import and export business.(If the above business scope involves industry licensing, the license certificate,Operate within the validity period,If the country has special franchise regulations, it shall be handled in accordance with the regulations.)

State Grid Tianjin Electric Power Company, established on 1989-01-30, Business scope includes grid investment,the construction,operate;Power transmission and distribution,buy and sell,generate electricity(With electric heating);Grid dispatch;Electricity Market Operation,electricity trading;Power Engineering Design,construction,to build,supervision,Contracting and asset operation and maintenance;Operation and maintenance of electric power communication private network and dispatching automation system;Undertake,undertook,Test power facilities and ultra-high voltage,UHV project;Technical Quality Inspection Service;Energy Conservation Consulting,Energy Saving Detection;Energy saving project design,transform;Energy Managed Services;Integrated Energy Services,design,to run,maintain;Cooling,heating,gas,Power Generation Project Construction,operate,maintain;Asset Management(Except for financial asset operation and management);Foreign project contracting;Sales of various goods and materials;storage(except dangerous goods);power communication,information,Environmental technology development,consultation service;Labor service;battery sales,lease,maintenance service;Sales of electric vehicle charging and swapping equipment,lease,maintenance service;Electric Vehicle Charging and Swapping Technology,Development of Environmental Technology,consultation service;Limited to branch operations:Talent exchange service;staff training;Personnel training;Recruitment;Talent Assessment;Educational Consulting;management consulting;stay.(If the state has special regulations on monopoly within the above business scope, it shall be handled in accordance with the regulations).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Mobao Co., Ltd., established on 2016-09-20, Business scope includes computer software and hardware,integrated circuit,smart device,robot,electric car,Electric Vehicle Charging Station,Equipment,Energy saving and environmental protection technology,Agricultural Science and Technology,Optoelectronics Technology,health technology,gene technology,Technology development in the field of biotechnology,technology transfer,Technical Services;research and development,Sales:Medical equipment,biopharmaceutical products,Health Supplies,cosmetic,food,Medical Materials Biological Reagents,In Vitro Diagnostic Kit,Instrumentation,refrigeration equipment;Technology Development of E-Commerce,technical consulting;Economic Information Consulting;hotel management,property management,Catering Services;real estate development,Real Estate Agents;Health Information Consultation;Investment in film and television culture;Industrial Investment;undertake:Municipal Engineering,Green Project,Design and Construction of Construction Engineering;computer technology training(Vocational technical training without national unified certification);Corporate Training;Self-operated and agent import and export business of various commodities and technologies(Except for commodities and technologies that the state restricts enterprises to operate or prohibits import and export).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

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.

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

Shanghai Hongyan Machinery Technology Co., Ltd., established on 2005-04-28, The scope of business includes engaging in electrical automation,Computer hardware and software,Technology development in the field of electric power technology,technical consulting,Technical Services,technology transfer,Electrical automation equipment,electric equipment,computer,Software and Auxiliary Equipment,Instrumentation,Industrial Robot Sales,Engaged in the import and export of goods and technology,Electrical automation equipment,electric equipment,Production of instrumentation,processing(Limited to branch operations). [Items subject to approval by law,Business activities can only be carried out after approval by relevant departments]

Jiangsu Geological Engineering Survey Institute, established on 1987-10-10, The scope of business includes comprehensive Class A engineering survey;Geological Hazard Risk Assessment;Geological Hazard Exploration,design,supervision;Engineering Geology,Hydrogeological Survey and Sinking,Geotechnical Engineering,Environmental Geology Technical Consulting,Surveying Engineering,Geotechnical testing,water quality test,rock test,Rock and mineral identification,Geology and minerals,agriculture,Environmental related sample testing services,Survey of Contaminated Sites,Evaluate,Environmental Restoration Engineering Design,construction,Environmental Technology Consulting Services,Environmental engineering construction,Liquid Mineral Exploration,Hydrogeology,Engineering Geology,Environmental Geological Survey,geological drilling,water resource argument,hydrology,Water resources investigation and evaluation,Preparation of water and soil conservation plan,Soil and Water Conservation Monitoring;Contracting the survey of overseas engineering survey comprehensive projects,consult,Design and Supervise Projects;Equipment required for the above overseas projects,Material export;Dispatch labor personnel required for the implementation of the above overseas projects.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments) General project:Manufacturing of special equipment for geological exploration;Sales of special equipment for geological exploration;General Equipment Repair;Metal Material Sales;General Cargo Warehousing Services(Does not contain hazardous chemicals and other items that require approval)(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

China Railway 18th Bureau Group Co., Ltd. is a general contractor for railway engineering construction. It also serves as a general contractor for highway, water conservancy & power, municipal & public works, building engineering construction, tunnel, bridge, urban rail transit, airport road & highway engineering. The company was founded in October 1958 and is headquartered in Tianjin, CN.