Hot sale Big Size Hollow Square Tube - Supply OEM/ODM Exported To Southeast Asia National Standard Q235b Material Section 30*30*1*6000 Hot Rolled Strip Power Engineering Square Tube – Youfa

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Our aim is usually to give superior quality items at aggressive rates, and top-notch company to clients around the earth. We have been ISO9001, CE, and GS certified and strictly adhere to their good quality specifications for Pre Galvanizing Rectangular Steel Pipe, Gi Conduit Pipe, Galvanized Steel Coil Z275, We cordially welcome shoppers from in the home and overseas to hitch us and cooperate with us to enjoy a better future.
Hot sale Big Size Hollow Square Tube - Supply OEM/ODM Exported To Southeast Asia National Standard Q235b Material Section 30*30*1*6000 Hot Rolled Strip Power Engineering Square Tube – Youfa Detail:

With this motto in mind, we have now grow to be one among quite possibly the most technologically innovative, cost-efficient, and price-competitive manufacturers for Supply OEM/ODM Exported To Southeast Asia National Standard Q235b Material Section 30*30*1*6000 Hot Rolled Strip Power Engineering Square Tube, We play a leading role in providing customers with high quality products good service and competitive prices.
With this motto in mind, we have now grow to be one among quite possibly the most technologically innovative, cost-efficient, and price-competitive manufacturers for 150mm Square Steel Tube, Square Structural Tube 100x100, Square Tube 200x200 Mm, We pay high attention to customer service, and cherish every customer. We have maintained a strong reputation in the industry for many years. We are honest and work on building a long-term relationship with our customers.

Product Fire Sprinkler 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 GB/T3091, GB/T13793API 5L, ASTM A53, A500, A36, ASTM A795
Specifications ASTM A795 sch10 sch30 sch40
Surface Painted Black or Red
Ends Plain ends
Grooved ends


groove painted pipered painted 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:

Hot sale Big Size Hollow Square Tube - Supply OEM/ODM Exported To Southeast Asia National Standard Q235b Material Section 30*30*1*6000 Hot Rolled Strip Power Engineering Square Tube – Youfa detail pictures

Hot sale Big Size Hollow Square Tube - Supply OEM/ODM Exported To Southeast Asia National Standard Q235b Material Section 30*30*1*6000 Hot Rolled Strip Power Engineering Square Tube – Youfa detail pictures


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"Control the standard by the details, show the toughness by quality". Our firm has strived to establish a highly efficient and stable workers workforce and explored an effective high-quality management system for Hot sale Big Size Hollow Square Tube - Supply OEM/ODM Exported To Southeast Asia National Standard Q235b Material Section 30*30*1*6000 Hot Rolled Strip Power Engineering Square Tube – Youfa, The product will supply to all over the world, such as: Azerbaijan, Kenya, Amman, We'd like to invite customers from abroad to discuss business with us. We can provide our clients with high quality products and excellent service. We are sure that we will have good cooperative relationships and make a brilliant future for both parties.
  • The company's products can meet our diverse needs, and the price is cheap, the most important is that the quality is also very nice.
    5 Stars By Christina from Sevilla - 2016.04.08 14:55
    With a positive attitude of "regard the market, regard the custom, regard the science", the company works actively to do research and development. Hope we have a future business relationships and achieving mutual success.
    5 Stars By Bernice from Chile - 2016.08.28 16:02