China Factory for 100×400 Rhs Q235 Square Black Steel Pipe - China Factory for Preferential Hot Rolled St 37-2 Seamless Carbon Steel Pipe/st 37-2 Seamless Pipe – Youfa

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Our business puts emphasis on the administration, the introduction of talented personnel, as well as the construction of team building, trying hard to further improve the standard and liability consciousness of staff members customers. Our enterprise successfully attained IS9001 Certification and European CE Certification of Greenhouse Steel Pipe, Scaffolding Erw Steel Pipe, Carbon Steel Square Tube, We sincerely do our best to offer the best service for all the clients and businessmen.
China Factory for 100×400 Rhs Q235 Square Black Steel Pipe - China Factory for Preferential Hot Rolled St 37-2 Seamless Carbon Steel Pipe/st 37-2 Seamless Pipe – Youfa Detail:

We believe in: Innovation is our soul and spirit. Good quality is our life. Shopper need to have is our God for China Factory for Preferential Hot Rolled St 37-2 Seamless Carbon Steel Pipe/st 37-2 Seamless Pipe, We believe we will become a leader in developing and producing high quality products in both Chinese and international markets. We hope to cooperate with more friends for mutual benefits.
We believe in: Innovation is our soul and spirit. Good quality is our life. Shopper need to have is our God for Hot Rolled St 37-2 Sch60 Seamless Carbon Steel Pipe, Seamless Carbon Steel Pipe, St 37-2 Seamless Pipe, During the development, our company has built a well-known brand. It is well highly acclaimed by our customers. OEM and ODM are accepted. We are looking forward to customers from all over the world to join us to a wild cooperation.

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.



Product detail pictures:

China Factory for 100×400 Rhs Q235 Square Black Steel Pipe - China Factory for Preferential Hot Rolled St 37-2 Seamless Carbon Steel Pipe/st 37-2 Seamless Pipe – Youfa detail pictures


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Our company sticks into the basic principle of "Quality is definitely the life of the business, and status may be the soul of it" for China Factory for 100×400 Rhs Q235 Square Black Steel Pipe - China Factory for Preferential Hot Rolled St 37-2 Seamless Carbon Steel Pipe/st 37-2 Seamless Pipe – Youfa, The product will supply to all over the world, such as: Ecuador, Houston, UAE, Establish long term and win-win business relationships with all our customers, share the success and enjoy the happiness of spreading our products to the world together. Trust us and you will gain more. Please feel free to contact us for more information, we assure you of our best attention at all times.
  • This supplier stick to the principle of "Quality first, Honesty as base", it is absolutely to be trust.
    5 Stars By Grace from Munich - 2015.04.25 16:46
    This is the first business after our company establish, products and services are very satisfying, we have a good start, we hope to cooperate continuous in the future!
    5 Stars By Amy from Swedish - 2015.06.12 16:22