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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To constantly improve the management system by virtue of the rule of "sincerely, good faith and quality are the base of enterprise development", we widely absorb the essence of related products internationally, and constantly develop new products to meet the demands of customers for Welded Cold Rolled Q235 Carbon Steel Pipe/ Tube, Round Pipe Carbon Steel, Ssaw Spiral Steel Pipe, Excellent quality, competitive prices, prompt delivery and dependable service are guaranteed Kindly let us know your quantity requirement under each size category so that we can inform you accordingly.
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.


Product detail pictures:

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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To become the stage of realizing dreams of our employees! To build a happier, much more united and far more professional team! To reach a mutual profit of our clients, suppliers, the society and ourselves 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: Bandung, Qatar, Greece, With the aim of "compete with good quality and develop with creativity" and the service principle of "take customers' demand as orientation", we will earnestly provide qualified products and solutions and good service for domestic and international customers.
  • It is a very good, very rare business partners, looking forward to the next more perfect cooperation!
    5 Stars By Mignon from French - 2016.10.13 10:47
    This company has the idea of "better quality, lower processing costs, prices are more reasonable", so they have competitive product quality and price, that's the main reason we chose to cooperate.
    5 Stars By Hedy from Luxembourg - 2016.07.07 13:00