OEM/ODM China Round Steel Pipe Sizes - Quality Inspection for Gi Square Steel Pipe /carbon Steel Pipe/ Aluminum Square Pipe – Youfa

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With advanced technologies and facilities, strict high-quality handle, reasonable rate, superior services and close co-operation with prospects, we are devoted to furnishing the best price for our customers for Hot Quality Ssaw Spiral Welded Steel Pipe, Ssaw Spiral Welded Steel Pipe, Galvanized Flat Oval Steel Pipe, We're devoted to supply skilled purification technology and options for you personally!
OEM/ODM China Round Steel Pipe Sizes - 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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OEM/ODM China Round Steel Pipe Sizes - Quality Inspection for Gi Square Steel Pipe /carbon Steel Pipe/ Aluminum Square Pipe – Youfa detail pictures


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To meet the customers' over-expected satisfaction , we have our strong team to provide our best overall service which includes marketing, sales, designing, production, quality controlling, packing, warehousing and logistics for OEM/ODM China Round Steel Pipe Sizes - 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: Portugal, Oman, Sri Lanka, We pursue the management tenet of "Quality is superior, Service is supreme, Reputation is first", and will sincerely create and share success with all clients. We welcome you to contact us for more information and look forward to working with you.
  • As an international trading company, we have numerous partners, but about your company, I just want to say, you are really good, wide range, good quality, reasonable prices, warm and thoughtful service, advanced technology and equipment and workers have professional training, feedback and product update is timely, in short, this is a very pleasant cooperation, and we look forward to the next cooperation!
    5 Stars By Wendy from Liberia - 2015.10.01 14:14
    The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.
    5 Stars By Murray from Peru - 2015.09.19 18:37