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.

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.

Shanghai Petrochemical Research Institute of China Petroleum & Chemical Corporation, established on 2000-04-27, Business scope includes petrochemical,Fine Chemicals,Polymer chemical industry,Environmental friendly,catalyst,Computer hardware and software,information network,electronic,Industrial automation and other professional technology"Four skills"Serve,Self-developed pilot products in the above professional fields,Testing Services for Petrochemical Products. [Items subject to approval by law,Business activities can only be carried out after approval by relevant departments]

Sinopec Beijing Research Institute of Chemical Industry engages in the research in petrochemical industry. Its core products include Select hydrogenation and cryogenic methanation catalyst and process, Polyolefin catalyst, Napro® Additives, and Ethylene oxide silver catalyst. It also involves in technical services, technical consulting, technical training, and technical support. The company was founded in June 1958 and is headquartered in Beijing, China.

Sinopec Corp. Shengli Oilfield Branch Exploration and Development Research Institute, established on 2006-03-22, Business scope includes printing of internal materials and publications(The validity period is subject to the license);Geological Exploration Deployment,Development program preparation,Analytical Experimental Technology,oil and gas exploration,development plan,resource evaluation,Modern well testing technology,Computer Application and Software Development,Technology information,file service,Maintenance of precision instruments,mapping,Technical Services,to develop,consult,transfer.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Daqing Oilfield Co., Ltd. Testing Technology Service Branch, established on 2000-04-28, Business scope includes and logging,Perforation,Research and development of geophysical technology related to wireline operations such as well testing,consult,Transfers and Services;Logging,well test,test,Design and construction of detection device,Logging,Detection and Calibration of Well Testing Instruments;Logging,well test,Manufacture of testing instrumentation and general instrumentation,Sales and Service,Research and development of computer application technology and software,road general cargo transportation.

China National Offshore Oil Corporation, or CNOOC Group, is a major national oil company in China. It is the third-largest national oil company in the People's Republic of China, after CNPC (parent of PetroChina) and China Petrochemical Corporation (parent of Sinopec). The CNOOC Group focuses on the exploitation, exploration and development of crude oil and natural gas in offshore China. The Group is the largest producer of offshore crude oil and natural gas in China and one of the largest independent oil and gas exploration and production companies in the world. The Group mainly engages in exploration, development, production and sale of crude oil and natural gas. The Group’s core operation areas are Bohai, Western South China Sea, Eastern South China Sea and East China Sea in offshore China. Overseas, the Group has oil and gas assets in Asia, Africa, North America, South America, Oceania and Europe. As at 31 December 2015, the Group owned net proved reserves of approximately 4.32 billion BOE, and its average daily net production was 1,358,022 BOE (unless otherwise stated, all amounts of reserve and production in this report include our interests in equity method investees). The Group had total assets of approximately RMB664.4 billion.

Petroleum Engineering Technology Research Institute of China Petroleum & Chemical Corporation Shengli Oilfield Branch, established on 2006-03-22, The business scope includes new technology in the process of oil and gas development,new technology,Research and development of new products,Product sales,Technical Services(Except where prohibited by country restrictions);Computer software development;Water Treatment Technology Research;Quality inspection of drilling and oil production special technology products;Mechanical product processing(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments).

CNOOC Research Institute Co., Ltd., established on 2000-03-02, Business scope includes chemical products;Oil and Gas Exploration,development project,Drilling Engineering,Oil and gas field surface engineering,Pipeline Engineering,Oil and gas depot engineering,Oil and gas processing engineering,Oil and gas field chemical industry and comprehensive utilization engineering,New energy engineering design and related technology research;Environmental Impact Assessment of Petroleum Development Projects,Project economic evaluation and project management related to the above business;Import and export business;technology development,Technology Promotion,technology transfer,technical consulting,Technical Services;selling computers,Software and Auxiliary Equipment,Equipment,hardware products;Machinery and Equipment Leasing.(Market entities independently choose business projects in accordance with the law,Carry out business activities;Sales of chemical products and 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.)

CNOOC China Ltd. produces oil and gas in China. It provides prospecting, refinement and processing, and sale of offshore oil and natural gas products. The company also offers offshore petroleum exploration, development, production, and sales. CNOOC China was founded in 1999 and is headquartered in Beijing, China.

Beijing Yanshan Petrochemical Co., Ltd. is a Chinese company located in Fangshan and ultimately controlled by the Government of China. The firm processes petroleum, synthetic rubber, synthetic resin and organic chemicals.

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.

CNOOC Energy Technology & Services Ltd. engages in provision of energy technology services, floating production storage and offloading (FPSO) production technology services, energy logistics services, safety, environmental protection and energy saving products and services. It operates through the following segments: energy technology services, FPSO production technology services, energy logistics services, safety, environmental protection, and energy saving. The Energy Technology Services segment provides equipment operation and maintenance, pipeline technology, engineering technology, and data information technical services. The FPSO Production Technology Service segment offers light boat services; ships and support personnel boat services; and comprehensive services such as FPSO construction, commissioning, management, towing, installation, and unloading services. The Energy Logistics Services segment focuses on providing logistics support for offshore oil and gas field exploitation through marine supplies and catering services, and assistance for oil and gas products distribution. The Safety, Environmental Protection and Energy Saving Services segment covers marine oil spill response services; industrial water treatment; human resources and training services; utilization of coatings and marine industrial protection, catalyst, and liquefied natural gas cold energy; and energy saving and environmental testing services. The company was founded on February 22, 2005 and is headquartered in Beijing, China.

Shaanxi Yanchang Petroleum (Group) Co., Ltd. Research Institute, established on 2008-05-27, Business scope includes petroleum,Natural Gas Exploration and Development,Drilling technology,Research on Energy and Chemical Technology,to develop,application;Geophysical Processing Interpretation,Application Research of Oilfield Chemical Additives;Oil and gas field equipment development and information technology research;Oil and gas field and chemical industry related planning consultation,design,Decision evaluation and technical services,Technical Training(Only inside the system),technology transfer, etc..(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Sinopec Sales Co., Ltd. Zhejiang Taishun Mufeng Gas Station, established on 2000-08-03, Business scope includes licensed projects:Hazardous Chemicals Management;Tobacco retail;food sales;Refined oil retail(Free of Hazardous Chemicals)(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:Lubricant sales;General merchandise sales;car wash service;Motor vehicle charging sales;Sales of Class II Medical Devices;Advertising Design,acting;advertisement making;advertising(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).(Engage in business activities within the business scope of the head office)

Deshi Energy Technology Group Co., Ltd., established on 2002-06-20, Business scope includes general items:Oil and Gas Technical Services;Chemical product production(No licensed chemical products);Chemical product sales(No licensed chemical products);Manufacturing of Specialty Chemical Products(Free of Hazardous Chemicals);Specialty Chemicals Sales(Free of Hazardous Chemicals);Petroleum Products Manufacturing(Free of Hazardous Chemicals);Petroleum product sales(Free of Hazardous Chemicals);marine services;Wind Power Technical Services;Offshore wind power related system research and development;Development of key supporting systems for marine engineering;Lubricant sales;Sales of special equipment for oil drilling;Environmental protection special equipment sales;Ocean energy system and equipment sales;Deep sea oil drilling equipment sales;Refined oil wholesale(Free of Hazardous Chemicals);Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Engineering technical service(planning management,survey,design,Except supervision);Environmental Consulting Services;rental service(Licensed rental services not included);Carbon emissions,carbon conversion,carbon capture,Research and development of carbon sequestration technology;Machinery sales;Sales of marine water quality and ecological environment monitoring equipment;Sales of pipeline transportation equipment;Greenhouse gas emission control equipment sales;Ocean engineering equipment sales;Research and development of technology for the harmless utilization of agricultural and forestry waste resources;Shipbuilding;ship refit;ship repair;ship sales;Ship leasing;Marine supporting equipment manufacturing;Water transportation equipment spare parts sales;Sales of building materials;Hardware retail;Special Equipment Repair;housing lease;Non-residential real estate leases;Special equipment rental;Machinery and Equipment Leasing;Manufacture of special equipment for oil drilling.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)licensed items:offshore oil extraction;Offshore Gas Extraction;ship dismantling;mineral resources(non-coal mine)mining;Hazardous Chemical Production;Hazardous Chemicals 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)

Tianjin Dagang Oilfield Bingang Group Bohong Petrochemical Co., Ltd., established on 2005-03-29, The business scope includes sodium dichromate,potassium permanganate,Ammonium persulfate,formaldehyde solution,Thiourea,sodium hydroxide,ethanol,Sodium silicate,carbon dioxide[compressed or liquefied]No stock operation;Manufacturing of Specialty Chemical Products;Oilfield Chemical Sales(Limited to Tianjin Safety Supervision Administration<make up:392No>Items listed in the certificate);Drilling and oil production equipment sales;sewage polymer,Profile Modification Chemicals and Related Chemicals,Research on Oil and Gas Exploration and Development Technology,to develop,consult,Serve,transfer;Manufacture of Pre-crosslinked Gel Swelling Particle Profile Control Agent;profile control(Adjust and drive)Composite aluminum salt of acrylate with deep diverting agentDGBH,BHGL-80Salt Resistant High Viscosity Polymer,Polyacrylamide flocculant for water treatmentBHAP-I,Polyacrylamide flocculant for water treatmentBHAP-II,Anionic polyacrylamide,Chromium organic acidBHJ-103(C)(alias:Cross-linking agent for enhanced oil recovery),Associative Polymers for Oil Displacement in Enhanced Oil RecoveryBHAP-90,Chromium organic acid cross-linking agent for enhanced oil recoveryBHJ-102,polymerBHT-607(alias:Water shutoff pre-crosslinked flood control agent for oil recovery),High temperature foam stabilizer cellulose derivatives for oil productionBHF-01,Acrylamide as a slow-swelling modified flood control agent for oil productionBHH-701(A),Water plugging pre-crosslinked flood control agent polymers for oil recoveryBHT-602,Composite fiber of plugging control additive for oil productionBHTD-217,Composite fiber of plugging control additive for oil productionBHTD-218,Composite fiber of plugging control additive for oil productionBHTD-219,Composite fiber of plugging control additive for oil productionBHTD-220,Composite fiber of plugging control additive for oil productionBHTD-221,Organic aluminum water blocking crosslinking agent for oil recoveryBHJ-106,Temporary plugging agent oil-soluble resin for oil recoveryBGYH-Z01,Heavy oil viscosity reducer lignosulfonate for oil recoveryB,Copolymerization of Acrylic Acid as Body Expanding Colloid Modulating and Displacing Agent for Oil ProductionBHJ-901,Copolymerization of Acrylic Acid as Body Expanding Colloid Modulating and Displacing Agent for Oil ProductionBHJ-907,Oligomeric Polyphenols as Crosslinking Agents for Oil RecoveryIProduction of main ingredients,Sales;General cargo;Special Equipment for Oil Exploitation,Professional repair of special equipment for petrochemical industry;Labor service(Excluding labor dispatch and foreign labor cooperation);Cathodic Protection Engineering Technical Services,construction;Digital Network Engineering Construction,Technical Services;Production and sales of automation equipment;potentiostat,Sales of potential collection test piles and accessories,repair;potentiostat,Potential collection test pile production;Harmless treatment and reuse of drilling mud.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Shandong Xingang Chemical Co., Ltd., established on 2011-01-18, Business scope includes general items:Chemical product production(No licensed chemical products);Oil and Gas Technical Services;Chemical product sales(No licensed chemical products);Manufacturing of Specialty Chemical Products(Free of Hazardous Chemicals);Specialty Chemicals Sales(Free of Hazardous Chemicals);Petroleum Products Manufacturing(Free of Hazardous Chemicals);Petroleum product sales(Free of Hazardous Chemicals);General Cargo Warehousing Services(Does not contain hazardous chemicals and other items that require approval);Engineering and Technology Research and Experimental Development;Non-residential real estate leases;Domestic trade agent;Domestic Freight Forwarding;Operation of Road Freight Transport Station;Machinery and Equipment Leasing;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Import and export;Technology Import and Export;Import and export agency.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)licensed items:road freight transport(Does not contain dangerous goods).(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)

Sichuan Guangya Polymer Chemical Co. Ltd. is a private company headquartered in Nanchong, China, that produces oilfield chemical products.

Research Institute of Exploration and Development of Henan Oilfield Branch of China Petrochemical Corporation, established on 2000-08-31, Business scope includes petroleum,natural gas exploration,mining technology research,to develop,application,transfer;computer application service;print,type,copy;Photographic and Equipment Retailing*