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TMK
Establishment time : 2001
website : www.tmk-group.com
Main Product : Steel pipes, pipe fittings, and related products
Company Profile
Nippon Steel & Sumitomo Metal Corporation
Establishment time : October 1, 2012
website : www.nssmc.com
Main Product : Steel products, industrial machinery, construction materials
Company Profile
ArcelorMittal
Establishment time : 2006
website : www.arcelormittal.com
Main Product : Steel, iron ore, coal, automotive steel, construction steel
Company Profile
TPCO
Establishment time : 1986
website : www.tpco.com
Main Product : Seamless steel pipes
Company Profile
ChelPipe Group
Establishment time : 1942
website : https://chelpipegroup.com/en/
Main Product : Steel pipes, pipeline fittings, oil country tubular goods
Company Profile
Tenaris
Establishment time : Tenaris is a global leader in the production of steel pipes for the oil and gas industry.
website :
Main Product : Tenaris operates in over 25 countries and has a strong presence in key oil and gas markets.
Company Profile
Henan Dongfanglong Machine Manufacture Co., Ltd
Establishment time : 1999
website : www.dfloilm.com
Main Product : Tubing&Casing Coupling,API 5CT PUP Joint,X-over Crossover,Down Hole Tools,Packer,Sucker Rod Couplings
Company Profile
Henan Dongfanglong Machine Manufacture Co., Ltd. was founded in 1999, mainly engaged in oil pipes and pipe fittings, oil special drilling and production tools and oil automation equipments. The company is named as national integration and standard implementation enterprise, a national science and technology-based small and medium-sized enterprise. With honors of"Henan enterprise technology center", "Henan postdoctoral innovation practice base", the company hold 35 senior engineers, engineers and technicians, and has successively obtained ISO9001 Quality system certificates, API 5CT certificate authorized by American Petroleum Institute and BV Quality supplier evaluation certificate issued by company of France. Owing more than 30 independent intellectual property rights, forming an industrial chain integrating design, development, manufacturing, testing and experiment of numerical control automation equipment for petroleum machinery products, which can meet customers' demand for products Full cycle service.
The company has established the [Dong Fang Yunlong E-commerce Trading Platform" with oil drilling and production equipment and tools as the radiation point, improved the ability of Internet cross-border e-commerce, and completed the transformation of enterprise from internal operation to building industry alliance. It has built an intelligent workshop, expanded the support of intelligent manufacturing for enterprise operation, created a new intelligent manufacturing mode with high efficiency and flexibility, and improved the core competitiveness of the enterprise. And successfully registered production and sales companies in the Netherlands, opening a new starting point for overseas investment and development.
In the future, Dongfanglong will closely focus on national policy orientation and innovation driven development strategy, formulate sustainable development transformation strategy, keep forging ahead, take creating world famous brand and winning honor for the nation as the goal, work together with people of insight from all walks of life for win-win cooperation, and build up the dream of oil equipment manufacturing.
Vallourec
Establishment time : Vallourec is a global leader in the production of seamless steel tubes and pipes.
website :
Main Product : With over 19,000 employees, Vallourec operates in multiple countries around the world.
Company Profile
Borusan Mannesmann
Establishment time : Borusan Mannesmann was founded in 1958 as a joint venture between Borusan Holding and Mannesmann.
website :
Main Product : With a large production capacity and advanced technology, Borusan Mannesmann has established itself as a leading player in the global steel market.
Company Profile
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November 27, 2023
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.