HongHua is engaged in the research, development, and manufacturing of electronic components, intelligent equipment, industrial furnaces, and industrial robot system integration. Their products are used in electronic components, ceramic materials, magnetic materials, precision machining, and other industries.

National Oilwell, Inc., is a company which designs, manufactures and markets mechanical components for both land and offshore drilling rigs as well as land drilling and well servicing rigs. The company has it's headquarters in Houston, Texas. It is a subsidiary of National Oilwell Varco, Inc.

Designs, manufactures and sells mechanical conponents

Baoji Oilfield Machinery Co. Ltd. is a company headquartered in Baoji, China and ultimately controlled by the Government of China. The firm manufactures and distributes oilfield machinery and equipment.

Itrec BV, a subsidiary of Ace Innovation Holding BV, is a Dutch company located in Schiedam that provides engineering services.

DSME is a premium shipbuilding and offshore company. DSME's vessels are highly appreciated for their finest quality in the world's shipbuilding market where established major players in the world economy such as Europe and America compete. Started in 1973 at Okpo Bay, Geoje Island, located on the southeastern tip of the Korean Peninsula, the shipyard of DSME was completed in 1981. DSME has since grown into the world's premium shipbuilding and offshore contractor who is specialized in building various vessels, offshore platforms, drilling rigs, FPSO/FPUs, submarines, and destroyers. The shipyard which spans an area of 4.9 million meters squared encompasses the world's largest dock with a million-ton capacity and is optimized for building high-tech motor vessels using cutting-edge equipment, including a 900-ton goliath crane. DSME manufactures high-quality products based on its vast IT expertise, well-managed shipbuilding technologies, superb fixed-platform construction capacities, large-scale project management know-how, and submarine/destroyer construction technologies.

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.

ENSCO International, Inc. engages in the provision of contract drilling and marine transport services. The company was founded in 1987 and is headquartered in Houston, TX.

PetroChina National Oil and Gas Drilling Equipment Engineering Technology Research Center Co., Ltd., established on 2020-06-03, Business scope includes general items:Engineering and Technology Research and Experimental Development;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Mechanical equipment research and development;Development of key supporting systems for marine engineering;Offshore engineering design and module design and manufacturing services;Research and development of marine engineering equipment;Research and development of intelligent robots;Research and development of power distribution switch control equipment;Internet of Things Technology Services;software development;Artificial intelligence public data platform;Metering service;Environmental Protection Monitoring;Professional Design Services;Information Technology Consulting Services;Standardized service;Technology guidance;New material technology promotion service;Intellectual Property Services;Technology intermediary service;Labor service(Does not include labor dispatch);Manufacture of special equipment for oil drilling;Deep sea oil drilling equipment manufacturing;General equipment manufacturing(Does not include special equipment manufacturing);Manufacturing of special equipment for geological exploration;Industrial Robot Manufacturing;Motor and its control system research and development;Manufacture of power distribution switch control equipment;Mechanical and electrical equipment manufacturing;Manufacture of electrical signaling equipment;Virtual reality equipment manufacturing;Industrial automatic control system device manufacturing;Manufacture of liquid and airtight components and systems;Machinery and Equipment Leasing;electronic,Mechanical equipment maintenance(No special equipment);Non-residential real estate leases;Sales of special equipment for oil drilling;Deep sea oil drilling equipment sales;Intelligent robot sales;Sales of subsea systems and work equipment;Sales of special equipment for geological exploration;Machinery sales;Ocean engineering equipment sales;Industrial automatic control system device sales;Sales of industrial control computers and systems;Sales of electrical signaling equipment;Sales of electrical machinery and equipment;AI Hardware Sales;Distribution switch control equipment sales;Electrical Equipment 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:Inspection and testing service;Safety production inspection and testing;Safety Evaluation Business;Certification Services(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).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Valaris plc is an offshore drilling contractor headquartered in London, United Kingdom. It is the largest offshore drilling and well drilling company in the world, and owns 82 rigs, including 54 offshore jackup rigs, 16 drillships, and 12 semi-submersible platform drilling rigs. In 2018, 15% of its revenues came from Total S.A., 11% of its revenues came from Saudi Aramco, 8% of its revenues came from Petrobras, and 7% of its revenues came from BP.

Sany Energy Equipment Co., Ltd., established on 2014-09-05, Business scope includes licensed projects:Special equipment manufacturing;Road Motor Vehicle Production;Installation, modification and repair of special equipment;Portable Pressure Vessel/Cylinder filling;offshore oil extraction(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:Machinery sales;General equipment manufacturing(Does not include special equipment manufacturing);Sales of special equipment for oil drilling;Manufacture of special equipment for oil drilling;Manufacturing of special equipment(Manufacture of licensed professional equipment not included);Metal cutting and welding equipment manufacturing;Metal cutting and welding equipment sales;Gas Compression Machinery Manufacturing;Gas Compression Machinery Sales;Material Handling Equipment Manufacturing;Material Handling Equipment Sales;Sales of pipeline transportation equipment;Special equipment rental;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Oil and Gas Technical Services;Engineering technical service(planning management,survey,design,Except supervision);Machinery and Equipment Leasing;Development of valves and plugs;Valve and Cock Sales;Mechanical Parts,Parts processing;Deep sea oil drilling equipment manufacturing;Deep sea oil drilling equipment sales;Import and export;Import and export agency;Mechanical equipment research and development;software development;General parts manufacturing;Artificial intelligence application software development;Manufacturing of hydraulic power machinery and components;Sales of hydraulic power machinery and components;Sales of mechanical and electrical equipment;Mechanical and electrical equipment manufacturing;Chemical product sales(No licensed chemical products);Research and development of marine engineering equipment;gas,Liquid separation and purification equipment sales;Special Equipment Sales;Technology Import and Export;New material technology research and development;Manufacturing of power facilities and equipment;Sales of power facilities and equipment;Research and development of power distribution switch control equipment;Manufacturing of power transmission and distribution and control equipment;Intelligent power transmission and distribution and control equipment sales;Manufacture of power distribution switch control equipment;Distribution switch control equipment sales;Manufacturing of underwater systems and operating equipment;Sales of subsea systems and work equipment;Engineering and Technology Research and Experimental Development;Sales of station-use hydrogen refueling and hydrogen storage facilities;Emerging energy 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).

China Petrochemical Corporation Jiangsu Oilfield Branch, established on 2000-05-08, Business scope includes petroleum,natural gas exploration,mining,Storage and transportation,pipeline transportation,Sales(Operate by license);Petrochemical,Production of chemical fiber and other chemical products,Sales;Technology and Information Studies,to develop,application;Petroleum and petrochemical raw materials,Procurement of equipment and parts,Sales;oil,Natural Gas Engineering Services;Wholesale and retail of kerosene;lubricating oil,fuel oil,asphalt sales;food sales(Operate according to the scope and validity period of the license);books,newspaper,periodicals,electronic publication,Audiovisual product retail;road transportation;heavy oil,Rubber and other petrochemical raw materials(Free of Hazardous Chemicals)and product sales,save;Textile,clothing,daily necessities,hardware,Sales of household appliances and electronic products;Entrust an agent to collect water and electricity bills;advertising business;Petroleum and petrochemical machinery,equipment manufacturing,Supervision,Install;Technology and information consulting services;Import and export business;Contract overseas electromechanical,Petrochemical industry projects and domestic international bidding projects;culture,Sporting goods and equipment sales;car wash service;car,Motorcycle and spare parts sales;Car repair and decoration service.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments##)

Shengli Oilfield Longxi Petroleum Engineering Service Co., Ltd., established on 2004-10-28, Business scope includes offshore oil engineering construction,Maintenance and technical service;Research and development of petroleum equipment,Technical Services;Oil and gas development technical services;Directional well,Horizontal Well Technical Services;building materials,Chemical technology research and development,consult,Production,Sales and Service;Downhole operation,drilling operations;Coastal auxiliary operations in Dongying City;Class III pressure vessel(A2Class Stationary Pressure Vessel)design,manufacture,Installation and sales;Electrical Equipment,pump manufacturing,Sales,repair,Operation management and mechanical and electrical engineering construction;Design of oil and gas complete equipment processing device,Manufacturing and installation;steel structure manufacturing,Install,Sales;Atmospheric pressure vessel,metal products,Door,window processing,Manufacturing and sales;Pipe protection sealing tape,Pipeline insulation and anticorrosion products(Free of Hazardous Chemicals)production and sales;Radio Equipment Testing,Sales;drone sales,Maintenance and technical service;special equipment,Research and development of burners and accessories,manufacture,Sales,Maintenance and technical service;Wujinjiaodian,sand,petrochemical products(Does not contain dangerous goods),Industrial and mining accessories,Computers and Electronics,Electronic equipment,Monitoring equipment,Fire Equipment,Marine Ship Supplies & Accessories Sales;communication,navigation,Refrigeration equipment installation,repair;Non-destructive testing;Industrial Waste Treatment(Does not contain dangerous goods);life saving equipment,Fire Equipment,Lifeboat and davit inspection,repair;diesel engine,mud pump,top drive,Electronic control equipment,Offshore platform manifold,Closure Manifold,valve installation,repair;industrial pipingGC2level installation;Gas-fired power generation engineering design and consulting;Petrochemical Construction Engineering,Supporting works,foundation engineering,Waterproof, anti-corrosion and thermal insulation engineering,network engineering;Environmental engineering construction;Construction;Equipment rental(Excluding finance lease);garbage collection job;Ship Pollutant Reception;Hull thickness measurement;stay;General cargo;Maritime information consultation,Shipping agency;Self-operated or agent import and export business of various commodities.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Shanghai Jiuzhuo Electromechanical Equipment Co., Ltd., established on 2005-08-03, Business scope includes electromechanical equipment,hydraulic equipment,Soil Remediation Equipment,engineering equipment,fluid equipment,filter equipment,Equipment,Electrical Equipment,Automation equipment manufacturing(Limited to branch operations),Install,design,hydraulic equipment,Pneumatic Components,Measuring Tool,Instrument wholesale,retail,Own Equipment Rental,robot,pump processing(Limited to branch operations)wholesale,retail. [Items subject to approval by law,Business activities can only be carried out after approval by relevant departments]

Varco International, Inc. was a provider of engineered drilling and well servicing equipment, products and services to the world's oil and gas industry. With operations in over 40 countries across six continents, the Company was manufacture and supplies drilling systems and rig instrumentation; performs inspection and internal coating of oilfield tubulars; provides drill cuttings separation and manufactures coiled tubing, wireline and pressure control equipment for land and offshore drilling and well stimulation operations. Varco was also manufactures coiled tubing, provides in-service pipeline inspections, manufactures high-pressure fiberglass and composite tubing and sells and rents advanced in-line inspection equipment to makers of oil country tubular goods. The Company operates in four groups: Drilling Equipment, Tubular Services, Drilling Services and Coiled Tubing and Wireline Products. Varco International is located in Houston, TX.

RG Petro-Machinery (Group) Co., Ltd. is a private company headquartered in Nanyang, China. The firm manufactures petroleum drilling equipment.

Part of Schlumberger NV, Schlumberger Technologies, Inc. is a company headquartered in Moorestown, NJ, that provides oilfield services such as distributing oil and gas information technologies and providing consulting services.

Shanghai Zhenhua Heavy Industries Co., Ltd. engages in the design, construction, installation and contracting of large-scale port handling systems and equipment. It designs heavy sea equipment, construction machinery, engineering ships, and large metal structure parts and components. The firm's products include container cranes, heavy equipment, and steel structures. It also provides build-transfer project, bulk cargo, ship transportation and equipment lease services. The company was founded on September 8, 1997 and is headquartered in Shanghai, China.

Jiangsu Chengchuang Intelligent Equipment Co., Ltd., established on 2007-11-21, Business scope includes electrical,Research and development of smart devices,Production,Sales;Design of Oil Drilling Tools and Equipment,research and development,Production,Sales and Leasing Services;Environmentally friendly process design,Research and development of safety and environmental protection equipment,Production,Sales and Leasing Services;Petroleum Engineering Technical Services;Testing and inspection of petroleum and petrochemical equipment;Safety Engineering,Environmental Engineering,Oil construction project,Oil depot project,construction work,Power engineering construction;Self-operated and agent import and export business of various commodities and technologies(Except for commodities and technologies that the state restricts enterprises to operate or prohibits import and export);Production of oil drilling equipment,Sales and Repair;Pump,Valve production and repair;plant,Car rental;Construction and installation services;Road Freight Operation;software development.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Sichuan Laomaster Gaosheng Oil Drilling Equipment Co., Ltd., established on 2006-10-17, Business scope includes licensed projects:road freight transport(Does not contain dangerous goods)(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:Manufacturing of special equipment(Manufacture of licensed professional equipment not included);General equipment manufacturing(Does not include special equipment manufacturing);Industrial Robot Manufacturing;Mechanical and electrical equipment manufacturing;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Sales of new ceramic materials;Sales of electronic special materials;Machinery and Equipment Leasing(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).(Except those involving the implementation of special access management measures stipulated by the state)