CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

 

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

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heat exchanger 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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heat exchanger pipe

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China Cold Drawn Seamless Alloy Steel Pipe Standard With Wall Thickness 0.8mm - 12mm factory

Cold Drawn Seamless Alloy Steel Pipe Standard With Wall Thickness 0.8mm - 12mm

Cold Drawn Seamless Alloy Steel Pipe Standard With Wall Thickness 0.8mm - 12mm ASTM A335 COLD DRAWN SEAMLESS ALLOY STEEL PIPE JIS G 3462 SEAMLESS ALLOY STEEL PIPE FOR BOILER AND SUPERHEARTER ASTM A213 Seamless ... Read More
2017-03-14 13:47:38
China Precision Heavy Wall Seamless Black Steel Pipe Carbon Steel Tubes ASTM A179 factory

Precision Heavy Wall Seamless Black Steel Pipe Carbon Steel Tubes ASTM A179

Precision Heavy Wall Seamless Black Steel Pipe Carbon Steel Tubes ASTM A179 ASTM A179(ASME SA179) Seamless Steel Pipe Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating Ends: BE/PE, ends ... Read More
2017-03-14 13:47:38
China ASTM A213 T5 T11 Alloy Steel Seamless Pipes , Boiler And Heat - Exchanger Tubes factory

ASTM A213 T5 T11 Alloy Steel Seamless Pipes , Boiler And Heat - Exchanger Tubes

ASTM A213 T5 T11 Alloy Steel Seamless Pipes , Boiler And Heat - Exchanger Tubes 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 Structural Thick / Heavy Wall Steel Tube , Alloy Steel Seamless Pipe For Bending / Flanging factory

Structural Thick / Heavy Wall Steel Tube , Alloy Steel Seamless Pipe For Bending / Flanging

Structural Thick / Heavy Wall Steel Tube , Alloy Steel Seamless Pipe For Bending / Flanging Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends ... Read More
2017-03-14 13:47:38
China ASTM A335 P5 P11 P12 Cold Drawn Alloy Steel Heavy Wall Steel Pipe Seamless 6m - 16m factory

ASTM A335 P5 P11 P12 Cold Drawn Alloy Steel Heavy Wall Steel Pipe Seamless 6m - 16m

ASTM A335 P5 P11 P12 Cold Drawn Alloy Steel Heavy Wall Steel Pipe Seamless 6m - 16m Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps ... Read More
2017-03-14 13:47:38
China ASTM A334 Carbon Steel Seamless Pipe And Tube , 2 Inch 4 Inch Steel Pipe Non - Secondary factory

ASTM A334 Carbon Steel Seamless Pipe And Tube , 2 Inch 4 Inch Steel Pipe Non - Secondary

ASTM A334 Carbon Steel Seamless Pipe And Tube , 2 Inch 4 Inch Steel Pipe Non - Secondary SPECIFICATIONS: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps ... Read More
2017-03-14 13:47:38
China ASTM A333 Seamless Steel Pipe , Seamless Carbon Steel Pipe Wall Thickness 1mm - 12mm factory

ASTM A333 Seamless Steel Pipe , Seamless Carbon Steel Pipe Wall Thickness 1mm - 12mm

ASTM A333 Seamless Steel Pipe , Seamless Carbon Steel Pipe Wall Thickness 1mm - 12mm SPECIFICATIONS: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps ... Read More
2017-03-14 13:47:38
China 1/8 - 4 Inch Carbon Steel Seamless Pipe Standard ASTM A333 , Low Temperature factory

1/8 - 4 Inch Carbon Steel Seamless Pipe Standard ASTM A333 , Low Temperature

1/8 - 4 Inch Carbon Steel Seamless Pipe Standard ASTM A333 , Low Temperature SPECIFICATIONS: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps Marking: as ... Read More
2017-03-14 13:47:38
China Hot Roll / Cold Drawn Seamless Steel Pipe  , Low pressure OD 10.2 - 711mm factory

Hot Roll / Cold Drawn Seamless Steel Pipe , Low pressure OD 10.2 - 711mm

Hot Roll / Cold Drawn Seamless Steel Pipe , Low pressure OD 10.2 - 711mm SEAMLESS STEEL PIPE EN10216-1 FOR PRESSURE PURPOSES Part 1: Non-Alloy steel tubes with specified room temperature properties Surface ... Read More
2017-03-14 13:47:38
China Precision Seamless Steel Pipe / Tubing ASTM A334 / 334M , Low Temperature factory

Precision Seamless Steel Pipe / Tubing ASTM A334 / 334M , Low Temperature

Precision Seamless Steel Pipe / Tubing ASTM A334 / 334M , Low Temperature SPECIFICATIONS: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps Marking: as per ... Read More
2017-03-14 13:47:38
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