OEM/ODM Manufacturer Self-adhesive Rubber Asphalt Waterproof Rolling Material - IOS Certificate Galvanized Square/rectangular Steel Pipe/hollow Section YOUFA Brand the biggest manufacturer for carbon steel pipe – Youfa

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Well-run devices, expert profits group, and better after-sales companies; We have been also a unified huge family, everybody keep on with the organization worth "unification, determination, tolerance" for Gas Industry Steel Pipe, Steel Pipe 40mm Diameter, Square And Rectangular Hollow Section, Always for the majority of business users and traders to provide best quality products and excellent service. Warmly welcome to join us, let's innovation together, to flying dream.
OEM/ODM Manufacturer Self-adhesive Rubber Asphalt Waterproof Rolling Material - IOS Certificate Galvanized Square/rectangular Steel Pipe/hollow Section YOUFA Brand the biggest manufacturer for carbon steel pipe – Youfa Detail:

We not only will try our greatest to offer you outstanding products and services to every single buyer, but also are ready to receive any suggestion offered by our buyers for IOS Certificate Galvanized Square/rectangular Steel Pipe/hollow Section YOUFA Brand the biggest manufacturer for carbon steel pipe, Our enterprise warmly welcome close friends from everywhere in the environment to go to, examine and negotiate organization.
We not only will try our greatest to offer you outstanding products and services to every single buyer, but also are ready to receive any suggestion offered by our buyers for Galvanized Square Tube, Hollow Steel Beam, rectangular tube, Most problems between suppliers and clients are due to poor communication. Culturally, suppliers can be reluctant to question items they do not understand. We break down these barriers to ensure you get what you want to the level you expect, when you want it. Faster delivery time and the product you want is our Criterion .

Product ERW Steel Pipe
Material Carbon Steel
Grade Q195 = S195 / A53 Grade A
Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2
Q345 = S355JR / A500 Grade B Grade C
Standard DIN 2440, ISO 65, EN10255, BS1387GB/T3091, GB/T13793JIS 3444 /3466

API 5L, ASTM A53, A500, A36, ASTM A795

Surface Bare/Natural Black
Ends Plain ends
with or without caps

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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.



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OEM/ODM Manufacturer Self-adhesive Rubber Asphalt Waterproof Rolling Material - IOS Certificate Galvanized Square/rectangular Steel Pipe/hollow Section YOUFA Brand the biggest manufacturer for carbon steel pipe – Youfa detail pictures


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Well-run equipment, expert income workforce, and far better after-sales expert services; We are also a unified large family, anyone stick to the corporate value "unification, dedication, tolerance" for OEM/ODM Manufacturer Self-adhesive Rubber Asphalt Waterproof Rolling Material - IOS Certificate Galvanized Square/rectangular Steel Pipe/hollow Section YOUFA Brand the biggest manufacturer for carbon steel pipe – Youfa, The product will supply to all over the world, such as: Mumbai, Libya, Estonia, By integrating manufacturing with foreign trade sectors, we can offer total customer solutions by guaranteeing the delivery of right items to the right place at the right time, which is supported by our abundant experiences, powerful production capability, consistent quality, diversified product portfolios and the control of the industry trend as well as our mature before and after sales services. We'd like to share our ideas with you and welcome your comments and questions.
  • This manufacturers not only respected our choice and requirements, but also gave us a lot of good suggestions, ultimately, we successfully completed the procurement tasks.
    5 Stars By Edward from Sevilla - 2015.02.12 14:52
    We have been appreciated the Chinese manufacturing, this time also did not let us disappoint,good job!
    5 Stars By Genevieve from Slovakia - 2016.04.28 15:45