OEM/ODM Manufacturer Self-adhesive Rubber Asphalt Waterproof Rolling Material - IOS Certificate Galvanized Square/rectangular Steel Pipe/hollow Section YOUFA Brand the biggest manufacturer for carbon steel pipe – Youfa

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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 Gi Square Tube, Tianjin Square Pipe, Gb9711 Spiral Weld Steel Pipe, Adhering to the business philosophy of 'customer first, forge ahead', we sincerely welcome clients from at home and abroad to cooperate with us.
OEM/ODM Manufacturer Self-adhesive Rubber Asphalt Waterproof Rolling Material - IOS Certificate Galvanized Square/rectangular Steel Pipe/hollow Section YOUFA Brand the biggest manufacturer for carbon steel pipe – Youfa Detail:

We not only will try our greatest to offer you outstanding products and services to every single buyer, but also are ready to receive any suggestion offered by our buyers for IOS Certificate Galvanized Square/rectangular Steel Pipe/hollow Section YOUFA Brand the biggest manufacturer for carbon steel pipe, Our enterprise warmly welcome close friends from everywhere in the environment to go to, examine and negotiate organization.
We not only will try our greatest to offer you outstanding products and services to every single buyer, but also are ready to receive any suggestion offered by our buyers for Galvanized Square Tube, Hollow Steel Beam, rectangular tube, Most problems between suppliers and clients are due to poor communication. Culturally, suppliers can be reluctant to question items they do not understand. We break down these barriers to ensure you get what you want to the level you expect, when you want it. Faster delivery time and the product you want is our Criterion .

Product ERW 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, EN10255, BS1387GB/T3091, GB/T13793JIS 3444 /3466

API 5L, ASTM A53, A500, A36, ASTM A795

Surface Bare/Natural Black
Ends Plain ends
with or without caps

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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.


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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 Manufacturer Self-adhesive Rubber Asphalt Waterproof Rolling Material - IOS Certificate Galvanized Square/rectangular Steel Pipe/hollow Section YOUFA Brand the biggest manufacturer for carbon steel pipe – Youfa detail pictures


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We keep on with our enterprise spirit of "Quality, Efficiency, Innovation and Integrity". We intention to create extra worth for our buyers with our prosperous resources, superior machinery, experienced workers and superb services for OEM/ODM Manufacturer Self-adhesive Rubber Asphalt Waterproof Rolling Material - IOS Certificate Galvanized Square/rectangular Steel Pipe/hollow Section YOUFA Brand the biggest manufacturer for carbon steel pipe – Youfa, The product will supply to all over the world, such as: Belgium, Bulgaria, Bulgaria, Till now, the goods list has been updated regularly and attracted clients from around the globe. Detailed facts is often obtained in our web-site and you'll be served with premium quality consultant service by our after-sale group. They are going to help you get comprehensive acknowledge about our products and make a satisfied negotiation. Company go to to our factory in Brazil is also welcome at any time. Hope to obtain your inquiries for any pleased co-operation.
  • Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.
    5 Stars By Erin from Swaziland - 2016.12.19 11:10
    Production management mechanism is completed, quality is guaranteed, high credibility and service let the cooperation is easy, perfect!
    5 Stars By Wendy from Portugal - 2016.11.11 11:41