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.

Wuhu Huiyu Trading Co., Ltd., established on 2013-01-04, Business scope includes general items:General merchandise sales;Clothing and apparel retail;Arts and crafts and etiquette supplies sales(Except for ivory and its products);Hardware retail;electric wire,cable management;Door and window sales;Home Appliance Sales;Daily necessities sales;furniture sales;Household Goods Sales;Tea set sales;Sales of daily-use ceramic products;Retailing of computer software, hardware and auxiliary equipment;Sales of office equipment consumables;Office Equipment Sales;Office Supplies Sales;Stationery retail;Sporting Goods and Equipment Retailing;Fire Equipment Sales;musical instrument retail;toy sales;Sales of labor protection products;Shoes and hats retail;Sales of knitted textiles and raw materials;internet sales(Except for products that require a license for sale);electronics sales;daily mask(non-medical)Sales;Medical Mask Retail(Except for licensed business,Can independently operate projects that are not prohibited or restricted by laws and regulations)licensed items:food sales;Food Internet Sales;Production of protective equipment for medical personnel(Class II medical device)(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)

Qingdao Laoxiang Tea Products Co., Ltd., established on 2006-12-22, Business scope includes research on tea making technology,technical consulting,produce tea,Sales and Online Sales:the tea,Packaging products,tea set,Daily necessities,hardware tools,crafts,Clothing and shoes,tea planting,Import and export,Technology Import and Export(Except for items prohibited by laws and administrative regulations,Projects restricted by laws and administrative regulations will be operated after obtaining permission),Communication equipment,Technical service for communication products.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Xi'an Huanuo Environmental Protection Co., Ltd., established on 2006-05-26, Business scope includes general items:water pollution control;Sewage Treatment and Its Reuse;Water Environment Pollution Prevention and Control Services;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;Engineering Management Services;Environmental Consulting Services;Professional Design Services;Energy saving management service;Municipal facilities management;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Engineering and Technology Research and Experimental Development;Manufacture of special equipment for environmental protection;Mechanical equipment research and development;Domestic waste treatment equipment manufacturing;Manufacturing of sludge treatment equipment;Environmental protection special equipment sales;Eco-environmental material sales;Sales of air pollution monitoring and testing instruments;Machinery sales;Instrument sales;Valve and Cock Sales;Sales of building materials;Mining Machinery Sales;Specialty Chemicals Sales(Free of Hazardous Chemicals);Manufacturing of Specialty Chemical Products(Free of Hazardous Chemicals);rental service(Licensed rental services not included);Chemical product production(No licensed chemical products);Engagement and foreign affiliation(area)Corporate-related non-profit business activities(Except for authorized business activities).(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)licensed items:Construction engineering design;Special equipment manufacturing;Installation, modification and repair of special equipment;Hazardous Chemicals Management;Construction Engineering Construction.(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)

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.

Beijing LvSan Chemical Co., Ltd. engages in the design, development, manufacturing, and sales of cleaning, environmental protection products. The company was founded on December 15,1999 and is headquartered in Beijing, China.

Delan Water Technology Co., Ltd., established on 2003-07-02, The scope of business includes the operation of environmental pollution control facilities;Energy saving and environmental protection products,gas,Research and development of liquid separation and purification equipment,manufacturing and sales;Manufacture and sales of special chemical materials for environmental pollution treatment;Engineering plan arrangement service,Project preparation service,Engineering Materials Consulting Services,Engineering project guarantee service,Project management services during the survey phase,Design Phase Project Management Services,Construction Phase Project Management Services,Project management services for the completion phase,Engineering general contracting service,Integrated services for engineering projects;Engineering survey and design;Construction and installation industry;Urban Landscaping Engineering Services;Water source and water supply facilities,Engineering construction of river and lake governance and flood control facilities;Water production and supply;waterworks,Construction of sewage treatment plants;Air Pollution Control;water pollution control;Noise Pollution Control;solid waste disposal;soil management;Sewage Treatment and Its Reuse;Chemical Products,Equipment,Instrumentation,water treatment equipment,Production and sales of environmental protection equipment;Mining technology development;Biotechnology Extension Services;Research and development of water treatment technology;Investment Business;Goods and technology import and export business;Conference and Exhibition Services;Quality inspection technical service.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Shaanxi Chemical Research Institute Co., Ltd., established on 1993-03-05, Business scope includes general items:Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Industrial Engineering Design Services;Oil and Gas Technical Services;Engineering and Technology Research and Experimental Development;New material technology research and development;Engineering Management Services;Industrial Design Services;Research and development of unconventional water source utilization technology;Solid Waste Treatment;Chemical product sales(No licensed chemical products).(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Dongguan Weihua Biotechnology Co., Ltd., established on 2014-04-02, Business scope includes general items:Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;internet sales(Except for products that require a license for sale);Personal Hygiene Sales;Disinfectant sales(Free of Hazardous Chemicals);Sales of hygiene products and single-use medical products;Cosmetics Retail;Information Consulting Service(Not including licensing information consulting services);Engineering and Technology Research and Experimental Development;Conference and Exhibition Services;Business Management Consulting;Biochemical product technology research and development.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Shaanxi Yongtai Biological Engineering Co., Ltd., established on 2007-05-23, The scope of business includes the development and distribution of pesticides, fertilizers and horticultural products, and the production and distribution of Fulanke;water soluble fertilizer,trace elements,Production and sales of microbial organic fertilizers;Planting and sales of agricultural and sideline products;Self-operated or agent technology and import and export business of agricultural materials and agricultural products;Design and production agency to publish various advertisements. (If the above business scope involves the special franchise regulations of the state, the regulations shall be followed.)(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Wuhu Yangzhan New Material Technology Service Co., Ltd., established on 2016-08-26, Business scope includes technological development in the field of new materials,technology transfer,technical consulting,Scheme design and technical service,Production of new materials,Sales,New material production equipment design,make,Sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Tianjin Bright Technology Development Co., Ltd., established on 2010-06-01, Business scope includes fine chemical technology development,transfer,consult,Serve.Industrial and Civil Cleaning Agents,Battery,lubricating oil,auto parts,Office Supplies,Wholesale and retail of wood products.(The state has special management regulations and implements them in accordance with the regulations)

Foshan Ruijian Sports Equipment Co., Ltd., established on 2016-01-18, Business scope includes sales:Sports Equipment,sporting goods,Playground Equipment;Medical equipment management;Electromechanical Equipment Technology,R&D and transfer of automation technology,to promote,Serve;Computer software and hardware development.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Urumqi Kefa Fine Chemical Co., Ltd., established on 2001-10-31, Business scope includes import and export of goods and technology;Sales:chemical reagent,Chemical Products,Chemical glass instrument,cotton textiles,architecture,Decoration materials,Agricultural and Livestock Products,Wujinjiaodian,electronics,Daily necessities,coating,steel,petroleum products,plastic products,Clothing and shoes,Security Products,Instrumentation,Automatic dosing system,water treatment equipment,Water source heat pump;Production,Sales:water stabilizer,coating,Oilfield additives;Realtor,Water treatment project,heating service,Environmental Technology Services.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Guangxi Hezhou Hongren Machinery Energy Saving Technology Co., Ltd., established on 2014-09-28, The business scope includes agency of energy-saving starting devices for crushers,Sales,to promote.(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.

Hubei Haixiang Technology Co., Ltd., established on 2016-07-07, Business scope includes licensed projects: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)General project:Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Specialty Chemicals Sales(Free of Hazardous Chemicals);Chemical product production(No licensed chemical products);Chemical product sales(No licensed chemical products);Boiler Chemical Cleaning;Metal Material Sales;refinery,Sales of special equipment for chemical production;Sales of plastic products;New material technology research and development;Disinfectant sales(Free of Hazardous Chemicals);New material technology promotion service;Manufacturing of Specialty Chemical Products(Free of Hazardous Chemicals)(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Karamay Sanda High-Tech Co., Ltd. engages in petrochemical-related activities. Its business scope covers oilfield environmental protection, oilfield waste treatment, oilfield technical services, and skid-mounted equipment manufacturing. The company was founded on September 10, 2009 and is headquartered in Karamay, China.

Qingdao Polykang New Materials Co., Ltd., established on 2011-03-23, Business scope includes general business items:wholesale,retail:building decoration materials,Equipment,Chemical Products(Does not contain dangerous goods),Labor protection supplies,steel,Hardware appliances;Research and development of polymer environmental protection materials,technology transfer,technical consulting;property management;marketing planning,house renovation,Realtor,Exhibition,account Serive. (The above scope needs to be licensed to operate,Operate with a license).

Xiaogan City Whimsical Culture Media Co., Ltd., established on 2014-05-21, Business scope includes computer software development and sales;Cultural and creative copywriting design;Planning of cultural activities;Environmental protection and energy saving technology development;computer,electronic product,Sales of digital products;Research and development of traditional Chinese medicine products;Enterprise Marketing Planning.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)