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)

Beijing Huadian Pilot Power Engineering Co., Ltd., established on 2011-02-25, Business scope includes(undertook,Take the test)power facilities;Construction General Contracting,Professional contractors;Technical services for electric power and lightning protection grounding,technology development,Technology Promotion,technical consulting,technology transfer;Sales instrumentation,Communication equipment,electronic product,Electrical Equipment.(Enterprises independently choose operating projects according to law,Carry out business activities;Undertake(undertook,Take the test)Power facilities and projects 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.)

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.

Shenzhen Power Supply Bureau Co., Ltd., established on 2012-01-31, Business scope includes general business items:invest,planning,the construction,Operate and manage Shenzhen Power Grid,Operating related power transmission and distribution business;Participate in investment,planning,Construction and operation related cross-regional power transmission and transformation and networking projects;Engaged in electricity purchase and sale business and related services,Responsible for electricity trading and dispatching;debugging,repair,Inspection and testing of electrical equipment,Power supplies and equipment;Charging facility design,the construction,Install,operate,lease,technical consulting,Technical Services,Inspection and Maintenance;Conduct scientific research related to grid operation and electricity supply,technical supervision,technology development,Electricity Production Scheduling Information Communication,consultation service,Electricity Education and Business Training;Approved by China Southern Power Grid Corporation,Other businesses operated according to law.,The licensing program is:Production of charging facilities(The production license shall be declared separately).

Nanyang Yitong Explosion proof Electrical Co., Ltd. is a large private joint-stock enterprise focusing on the research, manufacturing and sales of explosion-proof electrical products. Founded in 2002, the company is headquartered in Nanyang City, Henan Province, the scientific research, production and test base of explosion-proof electrical technology in China The company covers an area of 100000 square meters, with a building area of 60000 square meters. It has 400 employees, including more than 100 technical and R&D teams. The company has three operation centers (market operation Uygur, intelligent manufacturing, strategic development), three R&D bases (Nanyang, Zhengzhou, Beijing), four manufacturing divisions (HVAC, instrument and electricity, cabinet, mining), and four holding subsidiaries. The company has obtained the explosion-proof electrical production license issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, the explosion-proof electrical equipment installation and maintenance qualification certificate issued by the testing center and more than 400 explosion-proof certificates. The enterprise has passed the quality management system certification of Fangyuan ISO9001:2008, and has obtained a series of international certificates of ATEx and IECEx, which provides a strong guarantee for Yitong products to expand the international market. The company's products are designed and manufactured in strict accordance with GB3836 or IEC60079 series standards. The explosion-proof air conditioners, explosion-proof monitoring and communication, explosion-proof electrical cabinets, mining life-saving equipment and other explosion-proof electrical products developed and produced are widely used in oil and gas production and transportation, energy refining, aerospace weapons, power electronics, fine chemicals, military industry, warehousing and logistics, metallurgy and mining, transportation, food and medicine and other engineering projects as well as various host supporting facilities. Over the years, we have continuously improved, optimized and upgraded according to the needs and use characteristics of different industries.

Chengdu Xintongtong Cryogenic Equipment Co., Ltd., established on 2006-03-14, Business scope includes research,design,Production,Sales,Install,repair,Transformation of low temperature adiabatic cryogenic equipment,DClass pressure vessel,Pressure piping and system integration,Petrochemical equipment and pipe fittings,Equipment;Software development and sales;Engaged in foreign trade operations of goods and technology.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments).

Luoyang Liwei Technology Co., Ltd., established on 2013-03-18, Business scope includes non-standard equipment and accessories,Instrumentation,electronic product design,technology development,Technology Transfer and Sales;Mechanical equipment installation and modification(Except for special equipment);Enterprise management consulting and marketing planning.

China Southern Power Grid Research Institute Co., Ltd., established on 2010-11-05, The scope of business includes carrying out scientific research on power grids,technology development,Product development,Equipment manufacturing and sales,technology transfer,technical supervision,Technical Training,technical consulting,Technical services and other businesses;Carry out project review,Power engineering commissioning,System integration and other services;invest,Operating industries related to power grid core technologies and new power grid technologies;Power transmission and transformation engineering equipment supervision,engineering design,project consultancy,engineering construction;Develop information systems,System operation and maintenance and software sales business;electric equipment,Inspection and testing of electrical equipment;Computer Network Technology Services;<China Southern Power Grid Technology>journal editor,publishing,issued;design,make,acting,Publish various advertisements at home and abroad;goods,Technology Import and Export(law,Except for items prohibited by administrative regulations;law,Projects restricted by administrative regulations must obtain a license before they can operate).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Beijing Aerospace Yisen Wind Tunnel Engineering Technology Co., Ltd., established on 2010-04-29, Business scope includes technology development,technical consulting,technology transfer,Technical Services,Technology Promotion;Technical testing;engineering design;Repair machinery and equipment;Professional contractors;product design;Engineering Management Services;Sales of machinery and equipment,electronics,electronic product,Instrumentation;software development;Computer System Services.(Market entities independently choose business projects in accordance with the 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 industrial policies of the state and this city.)

Eastern Superconducting Technology (Suzhou) Co., Ltd., established on 2017-12-05, Business scope includes superconducting magnets,superconducting cable,superconducting power device,Inspection and testing equipment for superconducting products,Cryogenic refrigeration equipment(Does not contain rubber and plastic)research and development,Production,Sales,lease;Research and development of electromechanical equipment and products,Sales;steel belt(material),copper strip(material),Nonferrous Metal Baseband(material)promotion of;Technology development of superconducting power technology,technology transfer,technical consulting,Technical extension services;account Serive;Undertake exhibition display service;Venture Capital;Business Management Consulting;Self-operated and agent import and export business of various commodities and technologies;research and development,manufacture,Sales:motor,Power transmission and distribution and control equipment,Electrical automation equipment,And provide technical advice,Technical Services;electric wire,Cable development,Sales;Power Engineering Design,construction;Electrical equipment installation,test,repair;Electrical Equipment,Leasing of machinery and equipment;Realtor.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments) licensed items:Inspection and testing service(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:Manufacture of power distribution switch control equipment;Distribution switch control equipment sales;transformer,Rectifier and inductor manufacturing;Manufacturing of power transmission and distribution and control equipment;Intelligent power transmission and distribution and control equipment sales;Manufacturing of photovoltaic equipment and components;Photovoltaic equipment and components sales;electric wire,cable management;Wind turbines and parts sales;New material technology research and development;Manufacturing of superconducting materials;Sales of superconducting materials;Fiber sales;Optical cable sales;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)

Beijing Jinhe Venture Technology Development Co., Ltd., established on 2001-12-18, Business scope includes technology development,Technology Promotion,technology transfer,technical consulting,Technical Services;computer technology training;Computer System Services;computer repair;selling computers,Software and Auxiliary Equipment,electronic product,Equipment,communication equipment,hardware,AC;Security Technology Protection Products;Instrument Repair;Repair machinery and equipment.(Market entities independently choose business projects in accordance with the 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 industrial policies of the state and this city.)

Shandong Lanxiang Environmental Technology Co., Ltd., established on 2003-06-11, Business scope includes environmental governance system engineering,Recycled water/Design and Construction of Sewage System Engineering;Production,Sales:Evaporative cooling equipment,Cooling Tower,Air Cooler,Environmental protection and energy saving equipment,FRP products,Medium and low voltage non-standard equipment,Mechatronics Equipment,Industrial automation equipment and equipment installation,debugging,to run,Technical extension services(The above does not include special equipment and power facilities);manufacture,Sales:Class I pressure vessel,second class low,medium pressure vessel(The validity period is subject to the license);Import and export,Technology Import and Export.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Guangdong Tianciwan Laboratory Equipment Manufacturing Co., Ltd., established on 2014-12-09, Business scope includes general items:General equipment manufacturing(Does not include special equipment manufacturing);Manufacturing of special equipment(Manufacture of licensed professional equipment not included);Special Equipment Repair;Manufacture of special equipment for daily necessities production;Manufacture of special equipment for environmental protection;Environmental protection special equipment sales;furniture manufacturing;Production of furniture spare parts;Furniture Installation and Repair Services;Sales of furniture spare parts;Mechanical and electrical equipment manufacturing;fan,fan manufacturing;Manufacturing of experimental analysis instruments;Instrument Manufacturing;Manufacturing of special equipment for teaching;Manufacturing of other special instruments;Manufacturing of hardware products;Hardware product development;container manufacturing;container sales;container maintenance;Container Leasing Service;Electrical equipment manufacturing;Electrical Equipment Sales;Metal surface treatment and heat treatment;Metalwork Repair;Sales of metal chains and other metal products;Spray processing;Professional Design Services;Mechanical Parts,Parts processing;sales agent;Glassware Sales;Additive Manufacturing Equipment Sales;Vibration and noise reduction equipment sales;Sales of new metal functional materials;Wood-based panel sales;Sales of building materials;Non-ferrous metal alloy sales;Optical Instrument Sales;Manufacture of special ceramic products;Artificial intelligence application software development;Transport cargo packing service;Loading and unloading;Sewage Treatment and Its Reuse;Production of protective equipment for medical personnel(Ι class medical device);Production of Class I Medical Devices;Sales of Class I Medical Devices;Sales of Class II Medical Devices;Auto New Car Sales.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)licensed items:Class III medical device business;Production of Class III Medical Devices;Production of Class II Medical Devices.(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)

Chengde Precision Testing Machine Co. Ltd. is a private company headquartered in China that manufactures and sells testing machines.

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).

SGCC was founded on Dec. 29th, 2002 as a pilot state-owned corporation by the State Council. As a backbone state-owned enterprise that may affect national energy safety and economic lifelines, SGCC's core business is to build and operate power grids and provides secure and reliable power supply for the development of the society. With a registered capital of RMB 200 billion yuan and service area covering 26 provinces,autonomous regions and municipalities directly under the jurisdiction of the Central Government which equals to 88% of the national territory. SGCC carries out the president responsibility system. The president is the legal corporate representative of SGCC. By the end of 2005, SGCC accumulated a total asset of RMB1176.7 billion yuan with a debt-asset ratio of 61.96%, and possessed 195,899 km of 220kV and above transmission lines with a transforming capacity up to 616.64 GVA. SGCC has 1.502 million employees and serves 128 million customers. In 2005, SGCC sold electric power up to 1464.6 TWh and achieved an operation income of RMB 721.4 billion yuan with a net profit of RMB14.4 billion yuan profit & tax of RMB 60.4 billion yuan. SGCC was ranked the 40th in the Fortune Global 500 in 2005.

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.

China Nuclear Power Technology Research Institute Co. Ltd. is a Chinese company ultimately controlled by the Government of China. The firm engages in research, development, and application of nuclear engineering technologies; information and software technology; trading, telecommunication and construction services.