Factory Free sample Square&rectangle Conduit Q235 - Quality Inspection for Gi Square Steel Pipe /carbon Steel Pipe/ Aluminum Square Pipe – Youfa

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Our company promises all users of the first-class products and the most satisfying post-sale service. We warmly welcome our regular and new customers to join us for Corrugated Galvanized Steel Pipe, Spiral Steel Pipe Carbon Steel, Astm Seamless Steel Pipe, We cordially welcome customers from at home and abroad to join us and cooperate with us to enjoy a better future.
Factory Free sample Square&rectangle Conduit Q235 - Quality Inspection for Gi Square Steel Pipe /carbon Steel Pipe/ Aluminum Square Pipe – Youfa Detail:

Our personnel are always in the spirit of "continuous improvement and excellence", and along with the exceptional top quality items, favorable value and excellent after-sales companies, we try to acquire each and every customer's trust for Quality Inspection for Gi Square Steel Pipe /carbon Steel Pipe/ Aluminum Square Pipe, Adhering for the enterprise philosophy of 'customer initial, forge ahead', we sincerely welcome consumers from in the home and abroad to cooperate with us.
Our personnel are always in the spirit of "continuous improvement and excellence", and along with the exceptional top quality items, favorable value and excellent after-sales companies, we try to acquire each and every customer's trust for 1 inch square iron pipe, Aluminum Square Pipe, Square Pipe Clamps, We believe that good business relationships will lead to mutual benefits and improvement for both parties. We have established long-term and successful cooperative relationships with many customers through their confidence in our customized services and integrity in doing business. We also enjoy a high reputation through our good performance. Better performance will be expected as our principle of integrity. Devotion and Steadiness will remain as ever.

Product Square and Rectangular 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, EN10219GB/T 6728JIS 3444 /3466ASTM A53, A500, A36
Specification Square Hollow: 20*20-500*500mm

Rectangular Hollow: 20*40-300*500mm

Thickness: 1.0-30.0mm

Length: 2-12m

Surface Bare/Natural Black

Painted or Oiled with or without wrapped

Ends Plain ends

square big pipe square steel pipe big size square big size pipe

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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Factory Free sample Square&rectangle Conduit Q235 - Quality Inspection for Gi Square Steel Pipe /carbon Steel Pipe/ Aluminum Square Pipe – Youfa detail pictures


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We are going to dedicate ourselves to providing our esteemed buyers together with the most enthusiastically thoughtful products and services for Factory Free sample Square&rectangle Conduit Q235 - Quality Inspection for Gi Square Steel Pipe /carbon Steel Pipe/ Aluminum Square Pipe – Youfa, The product will supply to all over the world, such as: Romania, Zurich, Dubai, We've got a dedicated and aggressive sales team, and many branches, catering to our customers. We are looking for long-term business partnerships, and ensure our suppliers that they will absolutely benefit in both short and long run.
  • High Quality, High Efficiency, Creative and Integrity, worth having long-term cooperation! Looking forward to the future cooperation!
    5 Stars By Caroline from moldova - 2016.09.29 11:19
    Speaking of this cooperation with the Chinese manufacturer, I just want to say"well dodne", we are very satisfied.
    5 Stars By Tony from Stuttgart - 2016.10.13 10:47