Hitachi Elevator (China) Co., Ltd. designs, manufactures, processes, and sells elevators, automatic escalators, walkways, freight elevators, stereo-parking, and other elevators. The company also erects, maintains, and retrofits elevators. It was founded in 1994 and is headquartered in Guangzhou, China.

Grundfos Holding A/S provides coordination, repair, operation, and optimization services. It also manufactures pumps and pumping equipment. The company was founded on November 20, 2008 and is headquartered in Bjerringbro, Denmark.

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.

Baker Hughes, Inc. is a private company headquartered in Houston, TX. The firm manufactures oilfield equipment.

Xingmai Digital Technology Co., Ltd., established on 2005-08-03, The scope of business includes the installation of communication lines and equipment;Pipeline Construction Services;pipeline maintenance;Urban Infrastructure Construction;housing construction;Communication Engineering Construction General Contracting;Communication facilities installation engineering services;tower maintenance,operate,lease;software development;Indoor distribution system,Operation and maintenance service of network integration system;Design of Security Technology Defense System,construction,repair;Intelligent installation engineering service;Integrated wiring;Broadcasting System Engineering Services;Communication Engineering Design Services;Information system integration service;Internet access and related services,Information Technology Consulting;High-tech service;Mobile Internet development and maintenance;IoT technology,Research and development of three-dimensional parking system;Design Consulting for Parking Lot;medical information,Technical Advisory Services;Smart city and smart building information technology services,Related Services;Operating value-added telecommunications services;Parking lot operation management;Operation of road automatic toll parking spaces;Communication base station facility lease;Communication equipment rental;Base station room maintenance,lease;computer software,Sales of communication equipment;Building materials retail;Agency service for mobile telecommunication business;Space lease;Wholesale of medicine and medical equipment.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Ed. Züblin AG engages in the provision of building construction and civil engineering services. Its services include bridge construction, timber construction, turnkey construction, tunnelling, steel engineering, environmental engineering, and development and operation. The company was founded by Eduard Züblin in 1898 and is headquartered in Stuttgart, Germany.

Sinopec Jingwei Co., Ltd. Shengli Directional Well Company, established on 2021-02-26, Business scope includes general items:Basic geological survey;data processing services;Data processing and storage support services;Big data service;Instrument Manufacturing;Instrument sales;Integrated circuit chip design and service;software development;Engineering and Technology Research and Experimental Development;Special Equipment Repair;Manufacturing of experimental analysis instruments;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Information system integration service;Information system operation and maintenance services;Metering service;Safety technical training for special operators;Engineering Management Services;Foreign contracted projects;Non-residential real estate leases;Motor Vehicle Repair and Maintenance;Machinery and Equipment Leasing;Metal Products Sales;Metal Tool Sales;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)licensed items:Mapping service;Inspection and testing service;road freight transport(Does not contain dangerous goods);road freight transport(Contains dangerous goods);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,The specific business items are subject to the approval documents or licenses of relevant departments)(Engage in business activities within the business scope of the head office)

Sinopec Oilfield Service Corp. engages in the provision of integrated oil and gas engineering and technical services. Its business segments include geophysics, drilling engineering, logging, downhole special operations, and construction. Its segments cover the whole industry chain process including exploration, drilling, completion, oil and gas production, and oil and gas collection to abandoned wells. It offers services involving geophysics, drilling engineering, wells measuring, downhole special operations, construction, ocean engineering, and reservoir integrated services. The company was founded on December 31, 1993 and is headquartered in Beijing, China.

Liaohe Petroleum Exploration Bureau Co., Ltd. is a Chinese company located in Panjin and ultimately controlled by the Government of China. The firm engages in the engineering construction, technical service, goods supply, gas injection and production. It was founded in 1984. Zhong Xing Li is currently the CEO of the company.

Hubei Water Wing Technology Co., Ltd., established on 2012-08-21, Business scope includes computer software development and sales;Production and sales of packaging and decoration plastic printed matter;plastic products,Research and development of plastic machinery and equipment,Production,Sales;plastic(PE,HDPE,PERT,PVC-U,PVC-M,PPR)Pipes and Fittings,Plastic Composite Pipes and Fittings,Valve development,manufacture,Sales,consult,Installation and Technical Services;Spiral bellows,Steel mesh skeleton plastic(polyethylene)Composite pipe,Production of pipe fittings and related products,Sales and Installation;sprinkler irrigation,drip irrigation,Production of water-saving and energy-saving irrigation plastic materials such as micro-irrigation,Sales,Install;irrigation machinery,pump manufacturing,Sales,Install;Research and development of environmentally friendly intelligent equipment,production and sales;Goods import and export business(law,Prohibited by administrative regulations,Except for restricted and designated import and export items);Water Resources and Hydropower Engineering,Municipal public works,Landscaping engineering construction;Plumbing and electricity installation(Does not include electrical installations and repairs)(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)###

Daqing Petroleum Administration Co., Ltd., established on 1991-09-14, Business scope includes licensed projects:Onshore oil and gas extraction;Mineral Resource Exploration;Installation, modification and repair of special equipment;Special equipment manufacturing;Inspection and testing of special equipment;Inspection and testing service;Power generation business,Transmission business,for(match)Electric business;road freight transport(Does not contain dangerous goods);Road Passenger Transport Operations;urban public transport;mineral resources(non-coal mine)mining;Basic Telecom Services;The first type of value-added telecommunications services;The second type of value-added telecommunications services;broadcast television program delivery;General Aviation Services;Water production and supply;Construction Engineering Construction;ELV Recycling;Dismantling of scrapped motor vehicles;Occupational Health Technical Services;high risk sports(swim);Urban domestic waste operating services;food sales;Catering Services;accommodation service;travel business;publication printing;Packaging and decoration printing;document,Information and other printed matter printing;General Items of Road Transport of Dangerous Goods:Geological Exploration Technical Services;Petroleum product sales(Free of Hazardous Chemicals);Oil and Gas Technical Services;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Import and export;Technology Import and Export;Purchasing agency service;Special Equipment Sales;Manufacture of special equipment for oil drilling;Sales of special equipment for oil drilling;General equipment manufacturing(Does not include special equipment manufacturing);General Equipment Repair;Manufacturing of special equipment(Manufacture of licensed professional equipment not included);Special Equipment Repair;Mechanical equipment research and development;Machinery sales;Machinery and Equipment Leasing;Instrument Manufacturing;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);Heat production and supply;International Freight Forwarding;Domestic Freight Forwarding;Small and mini bus rental business service;Computer and Office Equipment Repair;software development;Information system integration service;Internet Security Services;Digital Video Surveillance System Manufacturing;Digital Video Surveillance System Sales;Sewage Treatment and Its Reuse;Water Environment Pollution Prevention and Control Services;Manufacture of special equipment for environmental protection;Environmental protection special equipment sales;Landscaping engineering construction;Soil Pollution Control and Restoration Services;Land Consolidation Services;Solid Waste Treatment;Motor Vehicle Repair and Maintenance;Recycling of renewable resources(Removal of productive scrap metal);Renewable resource processing;Sales of renewable resources;General Cargo Warehousing Services(Does not contain hazardous chemicals and other items that require approval);Non-residential real estate leases;business training(Does not include education and training,Vocational skills training and other licensed training);Professional cleaning,to clean,Disinfection service;property management;building cleaning service;Conference and Exhibition Services;advertising

Marathon Oil Co. engages in exploring, transporting and markets crude oil and natural gas properties. The company is headquartered in Houston, TX.

Sinopec Corp. Shengli Oilfield Branch Linpan Oil Production Plant, established on 2006-03-22, Business scope includes oil and gas exploration,Oil and water well testing,Machining,cargo freight,mixed gas processing(in national law,Carry out business activities within the scope permitted by laws and regulations,Carry out business activities with a license that involves pre-registration).(The validity period is subject to the license).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments).

Sichuan Petroleum Administration Co., Ltd., established on 1986-09-06, Business scope includes petroleum,Construction and development of natural gas projects,Oil and Gas Processing and Wholesale,Oil and gas chemical industry,Communication engineering design and construction;Intelligent Building Engineering Design;property management,Project Investment and Management(Do not engage in illegal fundraising,Financial activities such as absorbing public funds),Import and export,Technology Import and Export,Foreign Economic and Technical Cooperation.Commodity wholesale and retail(Hazardous chemicals,food),loading and unloading,Moving and storage services,Manufacture and maintenance of mechanical equipment,Catering, entertainment and accommodation,Pure water production,Construction,Agriculture and forestry planting and aquaculture,Resident Services,Leasing and Business Services,Scientific Research and Technical Services.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments).

Sinopec Petroleum Engineering Technology Service Co., Ltd., established on 2012-06-28, Business scope includes construction general contracting,Professional contractors,Labor subcontracting;Construction Project Management;Providing services for onshore and offshore oil and gas extraction;Engineering and Technology Research and Experimental Development;construction work preparation;Sales of machinery and equipment,Wujinjiaodian,computer,Software and Auxiliary Equipment;Machinery and Equipment Leasing;Energy and Mineral Geological Exploration,Solid Mineral Geological Exploration;Geological Exploration Technical Services;oil,Investment in natural gas and mineral energy projects;Organization of enterprises with manufacturing operations to manufacture metal structures,metal tools,metal pressure vessel,General instrumentation,Special Instruments,chemical reagent,chemical additives,Specialty Chemicals(including oilfield chemicals)and mine,metallurgy,Construction Special Equipment;Organize enterprises with foreign contracting project permits to contract overseas petroleum projects,natural gas engineering,chemical engineering,bridge engineering,Road construction,building engineering,Water Resources and Hydropower Engineering,Municipal public works,Steel structure engineering,Power Engineering,Fire facilities engineering,Industrial installation engineering and domestic and international bidding projects;Labor dispatch;Import and export,Agent import and export,Technology Import and Export.(After receiving this license,You should go to the Housing and Urban-Rural Development Department to obtain an administrative permit,File with the Commerce Commission.;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.)

Liaoning Nonferrous Foundation Engineering Co., Ltd., established on 1995-06-08, Business scope includes foundation and foundation engineering,Cultural Relics Protection Project,Geological disaster management engineering,Waterway engineering,Navigation Engineering,Road construction,Industrial and civil construction engineering,Blasting engineering,Earthwork,Environmental Engineering,Water Resources and Hydropower Engineering,Ancient Architecture,Landscaping project,Municipal Engineering,Special engineering and tunnel engineering construction,Construction and foundation construction of auxiliary production facilities for water conservancy and hydropower projects,Geotechnical Foundation Design,governance,Land reclamation and consolidation,Engineering equipment rental,Own house rental;road freight transport(branch only).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments.)

Yunnan Salt Industry Co., Ltd., established on 2016-11-18, The business scope includes salt and its series of products,Packaging Materials,anti-counterfeiting"iodized salt sign",Development of Anhydrous Sodium Sulfate,manufacturing and sales;Development of Salt Technology,Consulting and Application Services;Mining and dressing of non-metallic minerals and other mining industries;metal products,General Equipment,Professional setting,Inorganic salt,Specialty Chemicals,Daily chemical products,food,condiment,cosmetic,Beverages and Refined Teas,Manufacturing and sales of pharmaceuticals;Processing and sales of agricultural products and agricultural by-products;Warehousing(non-flammable,Explosive and Dangerous Chemicals);metal products,Machinery and Equipment Repair;Civil engineering construction and installation industry;Pressure Vessel Manufacturing,Install,boiler installation,repair,Pressure piping installation;water,Production and supply of heat, etc.;Modern logistics distribution;wine,Daily necessities,Pre-packaged food,bulk food,agricultural products,Agricultural and sideline products,rubber,Grain and oil products,feed,Instrumentation,Equipment,electronic product,Wholesale and retail of non-ferrous metal minerals;Machinery and Equipment Leasing,Road cargo transportation and railway dedicated line sharing business;Software and IT Services,business services;Salt Culture Museum and self-owned real estate management activities;Goods and technology import and export trade.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Yancheng Dongrong Petroleum Machinery Co., Ltd., established on 2014-08-18, The scope of business includes the manufacture of oil drilling machinery and accessories,research and development,Sales and after-sales service,Drilling Equipment Leasing and Technical Services,Screw Drill Repair,Tubing and Drill Pipe Repair,rubber products,hardware,electrical appliance,Network Security Appliance Sales,Network system deployment and maintenance,Monitoring security engineering,Computer Network Technology and Software,the hardware,Industrial automation control engineering development,design,Install,debugging.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Tekken Corp. engages in the civil engineering and construction works, and real estate businesses. It operates through the following business segments: Civil Engineering, Construction Works, Real Estate Business, Incidental Business, and Others. The Civil Engineering segment handles contracted civil engineering works including the planning, surveying, design, supervision, management and consulting. The Construction Works segment covers contracted construction works from surveys to planning, design, management, and supervision. The Real Estate Business segment deals with real estate buy and sell and real estate leasing. The Incidental Business segment handles the sales of equipment related to civil engineering and construction work. It also offers security services. The Others segment includes the operation of sports facilities. The company was founded on February 1, 1944 and is headquartered in Tokyo, Japan.