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.

PetroChina Co. Ltd. engages in the petroleum related products, services and activities. It operates through the following business segments: Exploration and Production; Refining and Chemicals; Marketing; Natural Gas and Pipeline; and Head Office and Other. The Exploration and Production segment involves exploration, development, production, and marketing of crude oil and natural gas. The Refining and Chemicals segment focuses on the refining of crude oil and petroleum products, production and marketing of primary petrochemical products, derivative petrochemical products, and other chemical products. The Marketing segment includes marketing of refined products and the trading business. The Natural Gas and Pipeline segment comprises transmission of natural gas, crude oil, and refined products and the sale of natural gas. The Head Office and Other segment relates to cash management and financing activities, the corporate center, research and development, and other business services supporting the operating business segments of the Group. The company was founded on November 5, 1999 and is headquartered in Beijing, China.

China Petrochemical Corporation (Sinopec Group) is a super-large petroleum and petrochemical enterprise group, established in July 1998 on the basis of the former China Petrochemical Corporation. Sinopec Group is a state-owned company solely invested by the state, functioning as a state-authorized investment organization in which the state holds the controlling share. Headquartered in Beijing, Sinopec Group has a registered capital of RMB 231.6 billion. The board chairman of Sinopec Group is its legal representative. Sinopec Group executes the investor rights over related state assets owned by its full subsidiaries, controlled companies and share-holding companies. These rights include receiving returns on assets, making major decisions and appointing management teams. The Group operates, manages and supervises state assets according to related laws, and shoulders the corresponding responsibility of maintaining and increasing the value of state assets. China Petroleum and Chemical Company (Sinopec Corp.), controlled by Sinopec Group, issued H-shares and A-shares at overseas and home respectively in October 2000 and August 2001 and was listed on stock markets in Hong Kong, New York, London and Shanghai. Sinopec Group’s key business activities include: industrial investment and investment management; the exploration, production, storage and transportation (including pipeline transportation), marketing and comprehensive utilization of oil and natural gas; the production, marketing, storage and transportation of coal; oil refining; the storage, transportation ,wholesale and retail of oil products; the production, marketing, storage, transportation of petrochemicals, natural gas chemicals, coal chemicals and other chemical products; the exploration, design, consulting, construction and installation of petroleum and petrochemical engineering projects; the overhaul and maintenance of petroleum and petrochemical equipments; the research and development, manufacturing and marketing of electrical and mechanical equipments; the production and marketing of electricity, steam, water and industrial gas; the research, development, application and consulting services of technology, e-business, information and alternative energy products; the import and export of self-support and agent commodity and technology; foreign project contracting, invite bidding, labor export; the international storage and logistics business. Sinopec Group ranked the 3rd in the Fortune Global 500 in 2014.

Qingdao Okura Anticorrosion Co., Ltd., established on 2002-03-22, Business scope includes general items:Manufacturing of coating equipment;Painting equipment sales;Spray processing;Manufacturing of special equipment(Manufacture of licensed professional equipment not included);Anti-corrosion material sales;paint sales(Free of Hazardous Chemicals);Synthetic Materials Sales;Sales of Surface Functional Materials;Chemical product sales(No licensed chemical products);Mechanical equipment research and development;Machinery sales;General equipment manufacturing(Does not include special equipment manufacturing);General machinery and equipment installation services;Mechanical Parts,Parts sales;Manufacture of special equipment for environmental protection;Environmental protection special equipment sales;Manufacture of dust removal technology and equipment;Industrial Robot Manufacturing;Industrial robot installation,repair;Industrial Robot Sales;Special task robot manufacturing;Research and development of intelligent robots;Intelligent robot sales;Environmental 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)licensed items:Various construction activities;Technology Import and Export;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)

China Petroleum Pipeline Bureau designs and builds petroleum pipelines. The firm covers the whole industry chain and pipeline core technology such as pipeline R&D, survey, consulting, design, procurement, construction, coating, fitting fabrication, intelligent pigging, maintenance & repair, telecommunication, and commissioning. Its core business includes engineering & construction, technical service and public service. The company was founded in 1973 and is headquartered in China.

China Petroleum Pipeline Bureau Engineering Corp. is a Chinese company ultimately controlled by the Government of China. The firm operates as holding company through its subsidiaries provides pipeline construction services.

Tianjin Pipeline Engineering Group Co., Ltd. engages in construction and installations of long-distance pipelines for municipal water supply, drainage, heating, gas, and industrial use. The company was founded on April 4, 1985 and is headquartered in Tianjin, China.

Jiangsu Dasheng Heat Shrinkable Material Co. Ltd. is a Chinese company located in Suzhou City that operates an irradiation polymer materials research, development and production company. It was founded in 1999.

China Petroleum and Natural Gas Pipeline Research Institute Co., Ltd., established on 1984-11-05, Business scope includes licensed projects:Quality inspection of construction projects;Safety Evaluation Business;Inspection and testing service;Construction Engineering Construction;II,Class III radiation device sales;Special Equipment Design;Special equipment manufacturing;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:Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Mechanical equipment research and development;Engineering and Technology Research and Experimental Development;Standardized service;Testing machine manufacturing;Mechanical and electrical equipment manufacturing;Ocean Engineering Equipment Manufacturing;General equipment manufacturing(Does not include special equipment manufacturing);Manufacturing of special equipment(Manufacture of licensed professional equipment not included);Metal Material Sales;Anti-corrosion material sales;Mechanical Parts,Parts sales;Machinery sales;Machinery and Equipment Leasing;Educational Consulting Services(Education and training activities that do not include licensing approval);Engineering technical service(planning management,survey,design,Except supervision);Equipment Supervision Service;electronic,Mechanical equipment maintenance(No special equipment);Import and export;business training(Does not include education and training,Vocational skills training and other licensed training).(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

China Oil & Gas Pipeline Network Corp. engages in the operation of pipeline transportation enterprise. Its business activities include warehousing services, import of equipment, technology research, information research and application, and technology consultation and promotion. The company was founded on December 9, 2019 and is headquartered in Beijing, China.

Shaanxi Yanchang Xinda Composite Material Technology Co., Ltd., established on 2011-04-14, Operating range includes high pressure,medium voltage,Low-pressure FRP pipes and products,FRP storage tank,FRP liner,FRP anti-corrosion,FRP pressure vessel,Production of sand-filled FRP pipes and products,Sales,Research and development of installation and related technologies;FRP sucker rod and other FRP products,FRP guardrail,Glass cover production,Sales,Install;Design of Flexible Composite High Pressure Conveyor Pipe,Production,Sales and installation;Engineering installation,Earthworks.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Fujian Deqian Group Co., Ltd., established on 2014-04-01, Business scope includes licensed projects:Various construction activities;General contracting of housing construction and municipal infrastructure projects;Construction of cultural relics protection projects;Power facility installation,undertook,Take the test;Construction Project Supervision;Highway Engineering Supervision;Water Transport Engineering Supervision;Construction supervision of water conservancy projects;Engineering cost consulting business;Construction Engineering Survey;Construction engineering design;Mapping service;Building Intelligent Engineering Construction;Compilation of land and space planning;Import and export;Technology Import and Export;Real estate development and management(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;Foreign contracted projects;Engineering Management Services;Engineering technical service(planning management,survey,design,Except supervision);Engineering and Technology Research and Experimental Development;Geological Exploration Technical Services;software development;Artificial intelligence application software development;sales agent;Information system integration service;Bidding agency service;Urban Greening Management;flower planting;Satellite Remote Sensing Data Processing;Geographic Remote Sensing Information Service;property management;Non-residential real estate leases;car park service;Government Procurement Agency Services;Pump and vacuum equipment manufacturing;Manufacture of wire rope and its products;Manufacturing of non-ferrous metal alloys;Manufacturing of metal fittings for construction;Metal cutting machine tool manufacturing;Metalworking machinery manufacturing;Metal material manufacturing;General equipment manufacturing(Does not include special equipment manufacturing);Fabrication of Metal Structures(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Ningbo Huatao Stainless Steel Pipe Co., Ltd., established on 1999-04-27, The business scope includes the production of stainless steel pipes and pipe fittings,Sales,installation and other legal,regulations,Projects that are not prohibited or do not require operating permits and projects that are not included in the negative list of local industrial development in the decision of the State Council.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

SINOPEC Engineering (Group) Co., Ltd. is a holding company, which engages in the oil refining and chemical industries. It operates through the following segments: Engineering, Consulting and Licensing; Engineering Procurement & Construction Contracting (EPC Contracting); Construction; and Equipment Manufacturing. The Engineering, Consulting and Licensing segment includes research and development, feasibility studies, and compliance services. The EPC Contracting segment offers engineering, construction, and project management services. The Construction segment provides infrastructure services such as oil and gas storage, pipelines transportation, expansion, repair and maintenance, and large equipment lifting. The Equipment Manufacturing segment designs and develops oil refining equipment and provides spare parts for chemical facilities. The company was founded July 24, 2007 and is headquartered in Beijing, China.

Aker Solutions AS, a subsidiary of Aker Solutions ASA, is a Norwegian company that provides oil well intervention services.

China Chemical Engineering Sixth Construction Co., Ltd., established on 1991-09-17, Business scope includes petrochemical engineering,construction work,Mechanical and Electrical Engineering,Municipal public works,General contracting of electric power engineering construction;Steel structure engineering,Waterproof, anti-corrosion and thermal insulation engineering,Environmental engineering professional contracting;Contract overseas projects in this industry and domestic international bidding projects;Equipment required for overseas projects,Material export;Foreign dispatch of industry projects,production and service workers;Holding enterprises overseas according to national regulations;Construction tasks of complete sets of foreign aid projects;contractGAkind(GA1Class B),GBkind(GB1(containPEspecial project),GB2(1)class),GCkind(GC1class),GDkind(GD1class)Installation of pressure piping;boiler installation,repairIclass;Bridge crane,Gantry crane,tower crane,Portal Crane,elevator,Jib crane installation;Manufacturing of stationary pressure vessels;General Cargo Handling;Construction machinery overhaul;Three-level loading,Undergraduate level four,Test three-level power facilities;General cargo;Class I pressure vessel,second class low,Design of Medium Pressure Vessels;Petrochemical inspection and maintenance;Safety Training and Consulting Services.(Involved in licensing projects,It should be operated after obtaining the permission of the relevant department)

Xinxing Energy Equipment Co., Ltd., a subsidiary of Province of Hebei, is a company headquartered in Handan, China. The firm manufactures heavy equipment which specializes in heavy vessels, gas storage and transport, metallurgical machinery, and casting and foundry.

Tianhua Institute of Chemical Machinery & Automation, part of KraussMaffei Co. Ltd., is a Chinese company located in Lanzhou that develops and manufactures industrial equipment. The firm was acquired by KraussMaffei Co. Ltd. from China National Chemical Corp., Ltd. on December 05, 2013 for $179.89 million.

Qingdao Haodeboer Industrial Co., Ltd., established on 2011-04-13, Business scope includes plastic-coated composite steel pipes,Steel-plastic composite pipe,Lined stainless steel outer epoxy plastic coated composite steel pipe,outsidePE,2PE,3PEAnti-corrosion inner fusion bonded epoxy resin composite steel pipe,TPEPComposite steel pipe,Polymer wear-resistant steel-plastic pipe,Polyethylene plastic steel winding pipe,Insulation Pipe,Anti-corrosion pipe and accessories,polyethylene(PE)Plastic pipe fittings,Steel mesh skeleton plastic(polyethylene)Composite Plastic Pipe Fittings,Steel belt reinforced polyethylene spiral corrugated steel pipe,Spiral welded corrugated steel pipe,valve,Grooved Fittings,flange,Elbow,Tee,screw,Wujinjiaodian,seamless pipe,welded pipe,spiral tube,oil pipe,boiler tube,Alloy tube,stainless steel pipe,Aluminum-plastic composite pipe,Ductile Iron Pipe,FRP,Galvanized pipe,Geological pipe,thin wall tube,thick wall tube,square tube,Shaped tube,Corrugated culvert,Prestressed Steel Cylindrical Concrete Pipe,concrete pipes andPPR,PVC,PB,PE-PT,PE/HDPEplastic pipe,Mechanical equipment and accessories,Pipeline equipment and its accessories(The above does not include special equipment)production,Sell ​​and provide related technical services,wholesale:stone(Does not include mining),cement products,Real estate development and management;Municipal engineering construction;Research and development of electronic products;Import and export of goods and technology(Projects prohibited by national laws and regulations shall not be operated,Laws and regulations restrict operations before obtaining a license to operate).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)