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    Contact Information

  • Tianjin Wanlei Steel Pipe Co.,Ltd

  • TEL: 86-22-65815991

  • FAX: 86-22-25343802

  • CELL: 86-18526839451, 86-18526839452

  • EMAIL: admin@wanleipipe.com

  • WEBSITE: www.seamlesscarbonsteelpipe.com

  • ADD: Room 403, Unit 1, Building 31, Polar Square, Central Business District, Binhai New Area, Tianjin, China (Mainland)

  • 22/Dec

    2025

    The Difference Between Concentric And Eccentric Reducer

    The difference between concentric and eccentric reducer Concentric and eccentric reducers are collectively referred to as reducers, used to connect two pipes of different diamet...

  • 22/Dec

    2025

    Why Do Steel Pipes Need To Be Galvanized

    Types of Zinc Layer Zinc layer of galvanized steel pipes can be divided into two types: Hot dipped galvanized and electrogalvanizing. Hot dipped galvanized: By immersing the ste...

  • 18/Dec

    2025

    Comparison For Socket Welding, Butt Welding, And Threaded Fittings

    Comparison for socket welding, butt welding, and threaded fittings Difference comparison End We are able to provide high quality pipe fittings according to customers' needs ...

  • 17/Dec

    2025

    Introductioin To Nominal Pressure Of Flanges

    Introduction There are multiple expressions for the nominal pressure of flanges according to different standard systems. The common flanges are mainly divided into two systems, ...

  • 12/Dec

    2025

    Introduction To Socket Welded Pipe Fittings

    Introduction to socket welded pipe fittings Socket welded pipe fittings are pipeline components connected by socket welding. Its design feature is that there is an enlarged groo...

  • 21/Nov

    2025

    What Is A Elbow?

    What is a Elbow? Core definition: The "joints" of a pipeline Elbows are connecting fittings used in piping systems to change the direction of pipes. It is like the &qu...

  • 21/Nov

    2025

    What Is The Difference Between Tee And Cross?

    What is the difference between t ee and cross ? The core difference between tee and cross is the number of branch ports, which directly determines their shape, function, and app...

  • 19/Nov

    2025

    How To Judge And Distinguish The Degree Of Elbow?

    How to judge and distinguish the degree of elbow? Distinguishing the degree of elbow is a very practical skill.Here are several simple and effective methods, from easy to diffic...

  • 19/Nov

    2025

    What Is The Difference Between Concentric And Eccentric Reducer?

    What is the difference between concentric and eccentric reducer ? The fundamental difference between concentric and eccentric reducer lies in whether their geometric centerlines...

  • 11/Nov

    2025

    What Is The Difference Between Equal Tee And Reducing Tee?

    What is the difference between equal tee and reducing tee? The core difference between equal tees and reducing tees lies in the diameter relationship between the branch pipe and...

  • 07/Nov

    2025

    How To Guarantee The Quality Of Tee?

    How to guarantee the quality of Tee? Ensuring the quality of Tee requires a systematic approach that covers the entire process from procurement, production to on-site acceptance...

  • 06/Nov

    2025

    Do You Understand The Galvanizing Method For Pipe Fittings?

    Do you understand the galvanizing method for pipe fittings? There are several main methods for galvanizing pipe fittings, among which hot-dip galvanizing is the most widely used...

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