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.

Xuzhou Jianji Construction Machinery Co., Ltd., established on 2006-07-10, Business scope includes construction machinery manufacturing,Install,repair,Sales,Hoisting Machinery,Mining machinery manufacturing,Install,repair,Sales,electronics sales,Self-operated and agent import and export business of various commodities and technologies(Except for commodities and technologies that are restricted or prohibited by the state for import and export).

Baoji Oilfield Machinery Co. Ltd. is a company headquartered in Baoji, China and ultimately controlled by the Government of China. The firm manufactures and distributes oilfield machinery and equipment.

Zhejiang Yuegong Steel Structure Co., Ltd., established on 1994-01-22, Business scope includes design,construction:Steel structure engineering,building engineering,civil Engineering,Building decoration project,Building Curtain Wall Engineering,road and bridge construction(The above business scope shall be operated with valid qualification certificates);Manufacture of steel components and design of steel structure buildings;Manufacture of mast structures,design and installation;design,manufacture,Install,Repair Mechanical Parking Equipment,crane(Operate with a valid license);Contracting and its strength,scale,Foreign engineering projects that are compatible with performance,Dispatch labor personnel required for the implementation of the above-mentioned overseas projects(Operating with a valid qualification certificate for foreign contracted projects);Import and export.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

China National Petroleum Corporation (CNPC) is an integrated international energy company. Based in China, we have oil and gas assets and interests in over 30 countries in Africa, Central Asia-Russia, South America, the Middle East and the Asia-Pacific. CNPC is China's largest oil and gas producer and supplier, as well as one of the world's major oilfield service providers and a globally reputed contractor in engineering construction, with businesses covering petroleum exploration & production, natural gas & pipelines, refining & marketing, oilfield services, engineering construction, petroleum equipment manufacturing and new energy development, as well as capital management, finance and insurance services. - Crude output: 110.33 million tons per year - Natural gas output: 79.86 billion cubic meters per year - Crude oil production: 53% of China's total - Natural gas production: 74% of China's total - Crude runs: 147.16 million tons per year - Domestic service stations: 19,840 - Domestic pipelines: 66,801 kilometers, including 16,369 kilometers for crude oil (nearly 67% of China's total), 40,995 kilometers for natural gas (77% of China's total) and 9,437 kilometers for refined products ( 48% of China's total) - Providing oilfield services and engineering construction in 63 countries around the world.

Lanzhou LS Group Co., Ltd. manufactures oil refining equipment. It offers metallurgy, international engineering, trading, real estate and energy services. It has several offices within China. The company was founded in 2002 and is headquartered in Lanzhou, China.

China Yangtze Power Co., Ltd. engages in the generation of electric power. Its businesses include domestic business, international business, capital operation, water service business, and power distribution and selling business. The company operates its business through Domestic business operates hydropower plants; International business involves in the operation, management, consultation, investment, and financing businesses of overseas hydropower station; Capital Operation business engages in equity investment activities; Water Service business encompasses urban water supply; sewage treatment; reuse of recycled water; investment; and construction and operation of water service and water resource projects, and municipal infrastructure; Power Distribution and Selling business consists of the following business activities: power selling businesses, investment, construction and operation of power distribution networks, distributed energy resources and microgrids, energy efficiency management services at user side, concentrated management, operation and maintenance of power facilities, and operation of intelligent parking lots and charging piles. The company was founded on September 29, 2002 and is headquartered in Beijing, China.

China Construction Eighth Engineering Division Corp. Ltd. is a Chinese company located in Shanghai and ultimately controlled by the Government of China. The firm provides general construction contracting services.

China Construction Second Engineering Bureau Co., Ltd. is a Chinese company located in Beijing and ultimately controlled by the Government of China that provides engineering and construction services.

PetroChina National Oil and Gas Drilling Equipment Engineering Technology Research Center Co., Ltd., established on 2020-06-03, Business scope includes general items:Engineering and Technology Research and Experimental Development;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Mechanical equipment research and development;Development of key supporting systems for marine engineering;Offshore engineering design and module design and manufacturing services;Research and development of marine engineering equipment;Research and development of intelligent robots;Research and development of power distribution switch control equipment;Internet of Things Technology Services;software development;Artificial intelligence public data platform;Metering service;Environmental Protection Monitoring;Professional Design Services;Information Technology Consulting Services;Standardized service;Technology guidance;New material technology promotion service;Intellectual Property Services;Technology intermediary service;Labor service(Does not include labor dispatch);Manufacture of special equipment for oil drilling;Deep sea oil drilling equipment manufacturing;General equipment manufacturing(Does not include special equipment manufacturing);Manufacturing of special equipment for geological exploration;Industrial Robot Manufacturing;Motor and its control system research and development;Manufacture of power distribution switch control equipment;Mechanical and electrical equipment manufacturing;Manufacture of electrical signaling equipment;Virtual reality equipment manufacturing;Industrial automatic control system device manufacturing;Manufacture of liquid and airtight components and systems;Machinery and Equipment Leasing;electronic,Mechanical equipment maintenance(No special equipment);Non-residential real estate leases;Sales of special equipment for oil drilling;Deep sea oil drilling equipment sales;Intelligent robot sales;Sales of subsea systems and work equipment;Sales of special equipment for geological exploration;Machinery sales;Ocean engineering equipment sales;Industrial automatic control system device sales;Sales of industrial control computers and systems;Sales of electrical signaling equipment;Sales of electrical machinery and equipment;AI Hardware Sales;Distribution switch control equipment sales;Electrical Equipment Sales(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).licensed items:Inspection and testing service;Safety production inspection and testing;Safety Evaluation Business;Certification 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).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Shandong Kerui Machinery Manufacturing Co., Ltd., established on 2006-08-14, Business scope includes oil drilling equipment and accessories,Electrical Equipment,tool,meter,Machinery Parts,Oil well equipment and tools,Production and sales of mining machinery equipment and tools;Import and export business(No country restrictions,Prohibited business matters);Research and development of petroleum-specific vehicles,Production,Sales;Chemical Products(Free of dangerous goods and precursor chemicals)Sales. (Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

XCMG Construction Machinery Co., Ltd. engages in the provision of engineering and construction engineering machinery products. Its products include engineering lifting, earth shoveling, compaction, road, concrete, fire-fighting, and other construction machinery. The company was founded on June 15, 1993 and is headquartered in Xuzhou, China.

Shanghai Baoye Group Co., Ltd. is a Chinese company located in Shanghai and ultimately controlled by the Government of China. The firm designs, constructs and installs steel structural systems.

Third Construction Engineering Co., Ltd. of China Const is a Chinese company located in Tianjin and ultimately controlled by the Government of China that engages in heavy and civil engineering construction.

Jiangsu New Yangzi Shipbuilding Co. Ltd. provides shipbuilding services. It mainly engages in the shipbuilding, modification, repair & dismantling, processing and manufacturing of large-scale steel structure parts. The company was founded on May 12, 2005 and is headquartered in

China Construction Seventh Engineering Division Corp. Ltd. is a Chinese company located in Zhengzhou and ultimately controlled by the Government of China. The firm provides civil engineering and construction services.

Hubei Jianghan Construction Machinery Co., Ltd., established on 2001-09-21, Business scope includes licensed projects:Special equipment manufacturing;Special Equipment Design;Installation, modification and repair of special equipment;Import and export;road freight transport(Does not contain dangerous goods);Inspection and testing of special equipment(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:Construction machinery manufacturing;Special equipment rental;Special Equipment Sales;Special Equipment Repair;General Equipment Repair;Fabrication of Metal Structures;General machinery and equipment installation services;Mechanical equipment research and development;Machinery sales;Machinery and Equipment Leasing;Mechanical and electrical equipment manufacturing;Electrical Equipment Sales;electrical equipment repair;Manufacture of special equipment for oil drilling;Sales of special equipment for oil drilling;Loading and unloading;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion(Except for licensed business,Can independently operate projects that are not prohibited or restricted by laws and regulations)

China Construction Science and Industry Group Co., Ltd., established on 2008-09-16, Business scope includes general business items:Start a business;Domestic Trade;Engaged in the import and export of goods and technology;Economic Information Consulting;Owned Property Lease.(above laws,Administrative regulations,Except for items that are subject to approval prior to registration by decision of the State Council,Restricted projects must obtain a license before operating),The licensing program is:Technical development of steel structure products,design,Test detection;Construction general contracting;EPC and project management;Design of the main body of construction projects and its supporting projects;Manufacture of architectural steel structures,Processing and steel structure engineering construction;Installation of lifting equipment;Installation of mechanical and electrical equipment;General Contracting of Municipal Public Works Construction;General Contracting of Highway Engineering Construction;Landscaping project.

Zhejiang Construction Engineering Machinery Group Co., Ltd., established on 1999-01-28, Business scope includes manufacturing,processing:Construction machinery and accessories,Environmental protection equipment,Metal structures and their components(In addition to pressure vessels);gold processing:Mechanical equipment spare parts(above manufacturing,processing,Gold processing projects can only be operated by subordinate branches)Serve:Leasing of construction machinery,technical consulting,technology development,repair,Installation of hoisting machinery,transform,repair,Non-standard equipment,Hydropower installation(In addition to loading(build,try)power facilities),property management;wholesale:construction machinery,Electrical Equipment,hardware tools,building materials,metallic material,Chemical raw materials(Removal of hazardous chemicals and precursor chemicals),Computer and Office Automation Equipment;Non-Certificate Labor Occupational Skills Training for Adults(Except for projects involving pre-approval);Operating import and export business(Excluding distribution of imported goods,law,Except for items prohibited by administrative regulations,law,Projects that are restricted by administrative regulations can only be operated after obtaining a license)(The above-mentioned business scope does not include those prohibited by national laws and regulations.,Restricted and licensed items)(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

China Twenty Metallurgical Group Co., Ltd., established on 2001-12-19, Business scope includes licensed projects:Construction Engineering Construction;Construction labor subcontracting;Construction engineering design;mineral resources(non-coal mine)mining;Real estate development and management;building demolition work(Except for blasting operations);Installation, modification and repair of special equipment;power transmission,powered by,Installation of power receiving facilities,Repair and Test;Mapping 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:Landscaping engineering construction;Fabrication of Metal Structures;Manufacturing of special equipment(Manufacture of licensed professional equipment not included);Cement Products Manufacturing;Motor Vehicle Repair and Maintenance;Construction machinery and equipment rental;General Equipment Repair;Special Equipment Repair;electrical equipment repair;Petroleum product sales(Free of Hazardous Chemicals);Metal Material Sales;Sales of building materials;Sales of building decoration materials;Anti-corrosion material sales;Sales of sanitary ceramics;Sales of mechanical and electrical equipment;Domestic trade agent;General Cargo Warehousing Services(Does not contain hazardous chemicals and other items that require approval);Engineering Management Services;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Technology Import and Export;Import and export;Foreign contracted projects;International Freight Forwarding.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)