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.

Sinopec Corp. Fushun Petrochemical Research Institute, established on 2000-04-14, Business scope includes technology and information research,to develop,application,consultation service;Petrochemical products researched and developed by our institute(Free of Hazardous Chemicals)Production,Sales,Petroleum and petrochemical equipment manufacturing,Sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments.)

Tianjin Zechang Technology Co., Ltd., established on 2013-03-07, The business scope includes lubricating grease additives,chemical product,electronic product,New Energy Technology Development,technical consulting,Technical Services,technology transfer;Grease,electronic product,chemical product(Dangerous goods and precursor chemicals are excluded),auto parts,building materials,Hardware and electrical materials,Edible produce(vegetable),Wholesale and retail of prepackaged food and bulk food;in the advertising business.(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.

Afton Chemical Corp. develops and manufactures petroleum additives. It offers gasoline performance additives, diesel fuel additives, and lubricity and cold flow improvers; and driveline products, such as automotive gear oil, automatic transmission fluid, off-road vehicle, and power steering fluid additives, as well as additives for step-type automatic, continuously variable, and dual clutch transmission types. The company also offers passenger car, heavy duty diesel, motorcycle, and railroad and marine diesel engine oil additives, as well as olefin copolymer viscosity index improvers. Afton Chemical was founded in 2004 and is headquartered in Richmond, VA.

Shaanxi Yanchang Petroleum (Group) Co., Ltd. engages in the oil and gas exploration. It focuses on development, comprehensive utilization, and deep transformation in energy chemical. Its business center covered oil and gas exploration; oil and gas development; petroleum refining and chemical industry; oil, gas, coal, and salt comprehensive chemical industry; pipeline transportation; product sales; construction equipment manufacturing; and technology research and development. Its products and services include oil and gas products; chemical products; equipment products; and other products such as raw coal, coke, coal tar, coal chemical derivatives, and grid- connected power generation. The company was founded in 1905 and is headquartered Xi'an, China.

Idemitsu Kosan Co., Ltd. engages in oil, basic chemicals, and renewable energy businesses. It operates through the following segments: Petroleum Products, Petrochemical Products, Resources, and Others. The Petroleum Products segment covers the production and sale of fuel oil and lubricants. The Petrochemical Products segment provides basic chemicals as raw materials for various petrochemical products, as well as solvents and various functional materials. The Resources segment carries out the research, exploration, development, production, and sale of oil, coal, uranium, and geothermal resources. The Others segment includes engineering, electronic materials, insurance, and agricultural biotechnology businesses. The company was founded by Sazo Idemitsu on June 20, 1911 and is headquartered in Tokyo, Japan.

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.

POSCO Holdings Inc. engages in the production of steel products. It operates through the following divisions: Steel, Engineering & Construction and Trading. The Steel division produces cold rolled, hot rolled and stainless steel products, plates, wire rods and silicon steel sheets. The Engineering & Construction division engages in the planning, designing and construction of industrial plants, civil engineering projects, commercial and residential buildings. The Trading division exports and imports steel products and raw materials. The company was founded by Tae-Joon Park on April 1, 1968 and is headquartered in Seoul, South Korea.

Guangxi Bossco Environmental Protection Technology is a demonstration enterprise for technological innovation. Scientific research platforms include a national enterprise technology center, a post-doctoral scientific research workstation, and a small talent highland. The testing center has received national CNAS and CMA qualification accreditation. Their research interests include industrial environmental governance, urban and rural environments, soil environment restoration, solid waste disposal and hazardous waste disposal, smart sanitation, the environmental service industry, and so on.

Taiheiyo Cement Corp. engages in the manufacture and sale of cement. It operates through the following segments: Cement, Mineral Resources, Environmental Business, Construction Materials, and Others. The Cement segment manufactures cement and ready-mixed concrete. The Mineral Resources segment offers mined aggregates and limestone products. The Environmental Business segment deals with the waste recycling and desulfurization materials. The Construction Materials segment consists of concrete products, autoclaved lightweight aerated concrete, and chemicals. The Others segment engages in the business of real estate, engineering, data processing, finance, transportation, warehousing, and sports facilities. The company was founded on May 3, 1881 and is headquartered in Tokyo, Japan.

Integrity Industries, Inc., a subsidiary of Berkshire Hathaway, Inc., is a company headquartered in Kingsville, TX, that provides drilling fluids and additives.

Research Institute of Industrial Science & Technology, part of POSCO Holdings Inc., is a company headquartered in Pohang, the South Korea. The firm engages in commercial physical and biological research and development.

China National Petroleum Corporation Safety and Environmental Protection Technology Research Institute Co., Ltd., established on 2007-12-13, Business scope includes hosting<Oil and Gas Field Environmental Protection>Magazine(The periodical publication license is valid until2018year12moon31day);Design and produce print ads,Use own<Oil and Gas Field Environmental Protection>magazine post ad;Safety,Environmental friendly,occupational health,Research on Energy Saving Technology;healthy,Research on emergency technology for safety and environment;healthy,Information Services for Safety and Environment;healthy,Technical Assessment of Safety and Environment;healthy,Technical training on safety and environment;healthy,Inspection and monitoring of safety and environment;healthy,Safety and Environmental Engineering Design and Contracting;Safety,Environmental friendly,Development and sales of energy-saving equipment;Safety,environmental impact,Occupational Health Evaluation;Cleaner Production Review and Audit;healthy,Safety and Environmental Technology Promotion;Development of Oilfield Chemicals;technology development,technical consulting,technology transfer,Technical Services;Anti-terrorism training.(Enterprises independently choose operating projects according to 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 city's industrial policies.)

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.

Panjin Ningtai Energy Technology Co., Ltd., established on 2013-09-26, Business scope includes licensed projects:Import and export,Technology Import and Export,Labor dispatch service,Various construction activities(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:Resource recycling technology research and development,Engineering and Technology Research and Experimental Development,Mechanical equipment research and development,Manufacture of special equipment for environmental protection,Manufacturing of sludge treatment equipment,Manufacture of special machinery and equipment for water resources,Environmental protection special equipment sales,Machinery and Equipment Leasing,Special Equipment Repair,water pollution control,Water Environment Pollution Prevention and Control Services,Sewage Treatment and Its Reuse,Solid Waste Treatment,Soil Pollution Control and Restoration Services,Soil Environmental Pollution Prevention and Control Services,Air Pollution Control,Atmospheric Environmental Pollution Prevention and Control Services,Specialty Chemicals Sales(Free of Hazardous Chemicals),Eco-environmental material sales,Sales of new catalytic materials and additives,Manufacturing of Specialty Chemical Products(Free of Hazardous Chemicals),Eco-environmental material manufacturing,Petroleum product sales(Free of Hazardous Chemicals),Lubricant sales,Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion,Environmental Consulting Services,Information Consulting Service(Not including licensing information consulting services),Professional cleaning,to clean,Disinfection service,Chemical product production(No licensed chemical products),Chemical product sales(No licensed chemical products),Research and development of compound microbial fertilizer,R&D of industrial enzyme preparations,Biochemical product technology research and development,Soil and site restoration equipment manufacturing,Soil and site restoration equipment sales(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Xi'an Thermal Engineering Research Institute Co., Ltd., established on 2001-12-06, Business scope includes thermal power engineering installations,Industrial Process Automatic Control System,Chemical and Materials Engineering,Thermal metrology test,Environmental protection and energy saving and water saving,Technology research and development in the field of new energy power generation,technology transfer,Technical Consulting and Services;Technical Training(System internal staff only);thermal power design;Project contracting and complete equipment;Products in the above related technical fields,Development of equipment and devices,promotion and production,Sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Wuhu Haichuang Environmental Protection Technology Co., Ltd., established on 2016-06-13, The scope of business includes investment in areas encouraged and permitted by the Chinese government;municipal solid waste,sludge,Hazardous Waste Collection,transportation,storage,Disposal operations management and technical services;Comprehensive utilization of fly ash washing,Production,Sales of chemical products(Free of Hazardous Chemicals);Engaged in energy-saving and environmental protection engineering design,civil works,Installation and design of related equipment,to develop,Purchasing and Sales,And provide related consulting and services.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)