CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

 

We are leading manufacturer of CDS and HFS pipes and Tubes.

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seam welded pipe

Good quality Seamless Boiler Tubes for sales
Good quality Seamless Boiler Tubes for sales
RUIYUAN is a reliable supplier, we trust in them and already cooperated for 5 years. They offer good and stable quality, best service and price.

—— Mr.Wang from SINOPEC

As we've cooperated more than 7 years, RUIYUAN is not only a business partner, but also became a very best friend for us.

—— Mr.Sanjay Bajaj

They will always keep their words, and always put customer's benefit on first consideration, that's why we chose them as a long-term business partner!

—— Mr.Thomas BIttig

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seam welded pipe

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China Large Diameter Round Precision Seamless Steel Tube / Seamless Carbon Steel Pipe factory

Large Diameter Round Precision Seamless Steel Tube / Seamless Carbon Steel Pipe

Large Diameter Round Precision Seamless Steel Tube / Seamless Carbon Steel Pipe Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps Marking: ... Read More
2017-03-14 13:47:38
China Heavy Wall Precision Seamless Steel Tube ASTM A519 , Seamless Mechanical Tubing factory

Heavy Wall Precision Seamless Steel Tube ASTM A519 , Seamless Mechanical Tubing

Heavy Wall Precision Seamless Steel Tube ASTM A519 , Seamless Mechanical Tubing SPECIFICATIONS: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps Marking: ... Read More
2017-03-14 13:47:38
China Precision Seamless Carbon Steel Tube In Hydraulic And Pneumatic Power Systems factory

Precision Seamless Carbon Steel Tube In Hydraulic And Pneumatic Power Systems

Precision Seamless Carbon Steel Tube In Hydraulic And Pneumatic Power Systems EN10305-4 SEAMLESS STEEL TUBES FOR PRECISION APPLICATIONS Part 4: Seamless cold drawn tubes for hydraulic and pneumatic power ... Read More
2017-03-14 13:47:38
China ASTM A519 Precision Steel Tube factory

ASTM A519 Precision Steel Tube

ASTM A519 SEAMLSS PRECISION STEEL TUBE FOR MECHANICAL PURPOSES SPECIFICATIONS: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps Marking: as per requiremen... Read More
2015-11-11 15:34:05
China BS 6323-4 Precision Steel Tube factory

BS 6323-4 Precision Steel Tube

BS 6323-4 PRECISION STEEL TUBING FOR HYDRAULIC Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps Marking: as per requirement Size:(mm) OD: ... Read More
2015-11-11 15:34:06
China EN10305-4 Precision Steel Tube factory

EN10305-4 Precision Steel Tube

EN10305-4 SEAMLESS STEEL TUBES FOR PRECISION APPLICATIONS Part 4: Seamless cold drawn tubes for hydraulic and pneumatic power systems Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation... Read More
2015-11-11 15:34:06
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