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.

Shenyang Institute of Automation (Chinese: 沈阳自动化研究所) of the Chinese Academy of Sciences (CAS) was founded in 1958. It is mainly engaged in mechatronic engineering, pattern recognition and intelligent system, control theory and control engineering, computer applied technology.

Beijing Gridsum Technology Co., Ltd. provides online cloud-based web analytics services. It helps businesses to track, analyze and optimize their online marketing campaigns across web sites, search engines, and online video. The company was founded by Guosheng Qi in 2005 and is headquartered in Haidian, China.

Sinopec Shengli Oilfield Construction Engineering Co. Ltd. is a Chinese company located in Dongying and ultimately controlled by the Government of China. The firm provides civil engineering services.

Shandong Tiangong Petroleum Equipment Co., Ltd., established on 2012-06-07, Business scope includes petroleum electronic products,Petroleum machinery and equipment manufacturing,Sales,Leasing and technical services;Instrumentation,sensor,water treatment equipment,Flow Moisture Monitor,Working condition data monitor,Reactive power compensation control cabinet(Low-voltage complete switchgear)Production,Sales,Serve;Petroleum Engineering Technology Development,Serve,transfer;Software Development Sales;Smart monitoring system development,Sales,Serve;big data processing,application,Sales,Serve;Petroleum equipment and accessories,Communication equipment(Does not include satellite TV broadcast ground receiving facilities),electronics,electronic product,Sales of building materials;Electronic and intelligent engineering professional contracting;Development of pipeline monitoring system,Sales and Service,Production of pipeline monitoring system equipment;Logging,Mud logging,Workover,Drilling service and technology research and development,technology transfer;Downhole construction;Cleaning technical service;Heavy oil thermal recovery technical service;Oil well steam injection,Nitrogen injection service;Bioengineering Technology Services;Drilling Fluid Technical Services;Import and export business.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Guizhou Aerospace Kaishan Petroleum Instrument Co., Ltd., established on 2003-02-20, Business scope includes legal,regulations,Those prohibited by the State Council's decision shall not operate;law,regulations,The State Council has decided to allow(approval)of,After approval by the examination and approval authority(approval)file management;law,regulations,The State Council has decided that a license is not required(approval)of,Market entities independently choose to operate.(General project:Manufacture of special equipment for oil drilling,Sales of special equipment for oil drilling,Oil and Gas Technical Services,Instrument Manufacturing,Instrument sales,Intelligent Instrument Manufacturing,Smart Instrument Sales,Manufacturing of electronic measuring instruments,Sales of electronic measuring instruments,Industrial automatic control system device manufacturing,Industrial automatic control system device sales,Manufacturing of special instruments,IoT device manufacturing,IoT Device Sales,software development,Information system integration service,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))

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.

Beijing Yadan Petroleum Technology Development Co., Ltd., established on 1999-11-15, Business scope includes petroleum engineering,Instrumentation,Equipment,oil and gas,software technology development,Technical Services,technical consulting,technology transfer,Technology Promotion;computer system integration;Sales of developed products(Except for special regulations),Machinery and electrical equipment,Chemical Products,Computer hardware and software,Wujinjiaodian(E-bike not included),department store;Professional contractors;Commissioned to process industrial control computer automation products,remote control unit,Oil and Gas Automation,Environmental online monitoring instrumentation,Low voltage distribution cabinet;Internet information service business(except news,publishing,educate,medical insurance,medicine,medical devices andBBScontent other than).(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.)

Jinan Xinjina Remote Measurement and Control Co., Ltd., established on 2002-03-26, Business scope includes licensed projects:Electrical Installation Services.(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:Industrial automatic control system device manufacturing;Industrial automatic control system device sales;Instrument Manufacturing;Instrument sales;Intelligent Instrument Manufacturing;software development;software sales;IoT device manufacturing;IoT application service;Retailing of computer software, hardware and auxiliary equipment;Office Equipment Sales;Information system integration service;Home Appliance Sales;Digital Video Surveillance System Sales;Information security equipment sales;electronics sales;Industrial Internet Data Service;Oil and Gas Technical 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)

Nanjing Fudao Oil and Gas Intelligent Control Technology Co., Ltd., established on 2021-03-31, Business scope includes general items:Artificial intelligence application software development;software development;Motor and its control system research and development;Industrial automatic control system device manufacturing;Manufacturing of computer software, hardware and peripheral equipment;Artificial intelligence industry application system integration service;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Big data service;Information system integration service;General machinery and equipment installation services;Industrial automatic control system device sales;software sales;Sales of industrial control computers and systems;Retailing of computer software, hardware and auxiliary equipment(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Kunlun Digital Intelligence Technology Co., Ltd., established on 2006-12-06, Business scope includes petroleum,Exploration and development of natural gas and other minerals,mining,Storage and transportation,Technology development in refining and sales,consult,Serve;Technical extension services;Security technology service;Building Intelligent System Design;Construction General Contracting;Professional contractors;Basic software service;Application software service;Computer System Services;data processing;Sales of communication equipment,Computer hardware and software and peripheral equipment;Sale and rental of machinery and equipment;Instrumentation,controller,electric equipment,Technology development of new energy equipment and related components and other electronic products,Production,Sales,repair,Technical Advisory Services;Technology Import and Export,Import and export,Agent import and export;Business Management Consulting;training;Air ticket sales agent;Reservation of train tickets;hotel room reservation;design,make,acting,Place an ad;Sell ​​Home Appliances,ceramics,daily necessities,crafts,cosmetic,small gift,knitted goods,clothing,Edible produce,Office Machinery,stationery,sporting goods,hygiene products;books,Online sales of electronic publications(The publication business license is valid until2022year04moon30day);operating telecommunications business;sell food.(Market entities independently choose business projects in accordance with the law,Carry out business activities;(Subject to the approval of the Market Supervision Administration);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.)

Jiangxi Zisheng Technology Co., Ltd., established on 2015-07-07, Business scope includes research and development of computer software,Sales;Instrumentation,electronics,teaching facility,Research and development of experimental equipment,Production,Sales,specimen model,Sports Equipment,Office Supplies,Office Furniture Sales,Interior and exterior decoration,Experimental equipment installation,debugging,maintain(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)**

Bengbu Sun and Moon Instrument Research Institute Co., Ltd., established on 2000-03-21, Business scope includesSMSeries sensors,load cell,pull/Pressure Sensor,SMSeries Transmitter,weighing transmitter,pull/Pressure Transmitters,SMSeries instrument,Electronic weighing instrument,pull/pressure gauge,SMseriesRTU(remote terminal control system),SMCResearch and development of electronic belt scale,manufacture,Sales and Service;Internet of things system research and development,Integration and Application Services;software development;electronic device,Applied instrument,Industrial automatic control equipment,Development of Office Automation Equipment,Production,Installation and technical service.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Shenyang Jinkairui Technology Co., Ltd., established on 2003-04-22, Business scope includes computer software development,Machinery and electrical products,Mechatronics Equipment,petroleum instrument,Instrumentation,Natural gas equipment,Drilling equipment,Automation Control System,Research and development of electrical control equipment,manufacture,processing,Maintenance and Consulting;Development of wind tunnel test equipment;computer equipment maintenance,Technology Development Services;Data Acquisition and Control System,Development of a series of handheld data terminals,Sales and technical service,Vacuum complete system design,integrated,develop,Sales and technical service;Vacuum equipment and accessories,Special test equipment for pumping wells,Instrument and accessories sales.(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)

Luoyang Qianhe Instrument Co., Ltd., established on 2008-11-20, The business scope includes instrumentation,Industrial Automation Control Equipment,Oilfield testing instrumentation,Measurement and control equipment,Dynamometer metering device,Downhole Tools,bearing,electronics,Petroleum Engineering Project Software,computer software,hardware development,design,Manufacturing and Technical Services.

Nanjing Fudao Information Engineering Co., Ltd., established on 2002-03-15, Business scope includes software development,to develop,Sales and import and export trade(Except for commodities and technologies that the state restricts the company to operate or prohibits the import and export of);sensor development;Agent of automatic control and electronic products and systems,research and development,production and sales;Information system integration services and technical services;data collection,storage,research and development,deal with,analyze,Serve;Data service platform construction;Integration of big data resources,application,to develop,Serve,operate;IoT system construction,operate,technology development,Technical consulting and maintenance services;Petroleum products,Chemical Products,solid,waste,the soil,atmosphere,Environmental testing technical services;Metering technical service;computer training(Does not include nationally recognized vocational certificate training);Computer hardware and software,Auxiliary equipment and accessories,Instrumentation,Research and development of testing equipment,Production,Sales and Repair;Chemical Reagent Sales;Construction and installation engineering construction;Own house rental.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Guizhou Hangtian Linquan Motor Co. Ltd., part of Guizhou Space Appliance Co., Ltd., is a Chinese company that manufactures and distributes motor parts.

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).