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 a positive and progressive attitude to customer's interest, our company continuously improves our product quality to meet the needs of customers and further focuses on safety, reliability, environmental requirements, and innovation of Carbon Seamless Pipe, Ss400 Galvanized Steel Pipe, Steel Tube Gals, With a wide range, good quality, reasonable prices and stylish designs,Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.
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.


Product detail pictures:

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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"Quality first, Honesty as base, Sincere service and mutual profit" is our idea, in order to develop continuously and pursue the excellence 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: Swedish, Sweden, Chile, We hope to have long-term cooperation relationships with our clients. If you are interested in any of our products, make sure you do not hesitate to send enquiry to us/company name. We ensure that you can be totally satisfied with our best solutions!
  • The product classification is very detailed that can be very accurate to meet our demand, a professional wholesaler.
    5 Stars By Christina from Belarus - 2015.12.28 15:18
    We have been appreciated the Chinese manufacturing, this time also did not let us disappoint,good job!
    5 Stars By Isabel from Vietnam - 2015.06.18 19:26