Good Wholesale Vendors Black Square Tube Sizes - OEM Factory for Black Erw Shs And Rhs Construction Pipe 100*70* 3mm Thick Square Steel Tubing / Rectangular Steel Pipe Q235 Q345 Grade – Youfa

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Being supported by an highly developed and skilled IT group, we could offer you technical support on pre-sales & after-sales support for Construction Steel Pipe, Erw Steel Pipe, Ssaw Spiral Welded Steel Pipe, We have extensive goods supply and the price is our advantage. Welcome to inquire about our products.
Good Wholesale Vendors Black Square Tube Sizes - OEM Factory for Black Erw Shs And Rhs Construction Pipe 100*70* 3mm Thick Square Steel Tubing / Rectangular Steel Pipe Q235 Q345 Grade – Youfa Detail:

Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" as well as theory of "quality the basic, have faith in the initial and administration the advanced" for OEM Factory for Black Erw Shs And Rhs Construction Pipe 100*70* 3mm Thick Square Steel Tubing / Rectangular Steel Pipe Q235 Q345 Grade, To acquire a consistent, profitable, and constant growth by getting a competitive advantage, and by continuously increasing the value added to our shareholders and our employee.
Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" as well as theory of "quality the basic, have faith in the initial and administration the advanced" for Erw Steel Tube, Low Carbon Steel Pipe, Welded Thin Wall Steel Pipe, Our product quality is one of the major concerns and has been produced to meet the customer's standards. "Customer services and relationship" is another important area which we understand good communication and relationships with our customers is the most significant power to run it as a long term business.

Product ASTM A53 Black Painted Welded Steel Pipe
Material Carbon Steel
Grade Q195 = S195 / A53 Grade A
Q235 = S235 / A53 Grade B / A500 Grade AQ345 = S355JR / A500 Grade B Grade C
Standard GB/T3091, GB/T13793API 5L/ASTM A53, A500, A36, ASTM A795
Specifications ASTM A53 A500 sch10 – sch80
Surface Painted Black
Ends Plain ends
Beveled ends



Strict Quality Control:
1) During and after production, 4 QC staffs with more than 5 years experience inspect products in random.
2) National accredited laboratory with CNAS certificates
3) Acceptable inspection from third party appointed/paid by buyer, such as SGS, BV.
4) Approved by Malaysia, Indonesia, Singapore, Philippines, Australia, Peru and UK. We own UL /FM, ISO9001/18001, FPC certificates.


learn more about certificates

quality control

Packing and Delivery:
Packing Details : in hexagonal seaworthy bundles packed by steel strips, With two nylon slings for each bundles.
Delivery Details : Depending on the QTY, normally one month.


Product detail pictures:

Good Wholesale Vendors Black Square Tube Sizes - OEM Factory for Black Erw Shs And Rhs Construction Pipe 100*70* 3mm Thick Square Steel Tubing / Rectangular Steel Pipe Q235 Q345 Grade – Youfa detail pictures

Good Wholesale Vendors Black Square Tube Sizes - OEM Factory for Black Erw Shs And Rhs Construction Pipe 100*70* 3mm Thick Square Steel Tubing / Rectangular Steel Pipe Q235 Q345 Grade – Youfa detail pictures

Good Wholesale Vendors Black Square Tube Sizes - OEM Factory for Black Erw Shs And Rhs Construction Pipe 100*70* 3mm Thick Square Steel Tubing / Rectangular Steel Pipe Q235 Q345 Grade – Youfa detail pictures


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We have now sophisticated machines. Our solutions are exported to the USA, the UK and so on, enjoying a great reputation amid consumers for Good Wholesale Vendors Black Square Tube Sizes - OEM Factory for Black Erw Shs And Rhs Construction Pipe 100*70* 3mm Thick Square Steel Tubing / Rectangular Steel Pipe Q235 Q345 Grade – Youfa, The product will supply to all over the world, such as: Sydney, Istanbul, Danish, Company name, is always regarding quality as company' s foundation, seeking for development via high degree of credibility , abiding by ISO quality management standard strictly, creating top-ranking company by spirit of progress-marking honesty and optimism.
  • Cooperate with you every time is very successful, very happy. Hope that we can have more cooperation!
    5 Stars By Honey from Philadelphia - 2016.11.29 11:09
    Product quality is good, quality assurance system is complete, every link can inquire and solve the problem timely!
    5 Stars By Maggie from Oman - 2016.01.28 19:59