CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

 

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alloy steel seamless pipes

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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alloy steel seamless pipes

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China High Temperature Alloy Steel Seamless Pipe ASTM A335 / Seamless Mechanical Tubing factory

High Temperature Alloy Steel Seamless Pipe ASTM A335 / Seamless Mechanical Tubing

High Temperature Alloy Steel Seamless Pipe ASTM A335 / 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 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 DIN 1630 Alloy Steel Pipe With OD 16mm - 90mm WT 1.5-12mm factory

DIN 1630 Alloy Steel Pipe With OD 16mm - 90mm WT 1.5-12mm

DIN 1630 Alloy Steel Pipe With OD 16mm - 90mm WT 1.5-12mm DIN1630 ST37.4 HIGH PERFORMANCE SEAMLESS STEEL PIPE Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling ... Read More
2017-03-14 13:47:38
China Structural 1/2 - 5 Inch Seamless Alloy Steel Pipe Tube For Heat-Exchanger factory

Structural 1/2 - 5 Inch Seamless Alloy Steel Pipe Tube For Heat-Exchanger

Structural 1/2 - 5 Inch Seamless Alloy Steel Pipe Tube For Heat-Exchanger 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
China Carbon Steel Alloy Steel Pipe Seamless ASTM A213 / SA213 , Cold Drawn Steel Tube factory

Carbon Steel Alloy Steel Pipe Seamless ASTM A213 / SA213 , Cold Drawn Steel Tube

Carbon Steel Alloy Steel Pipe Seamless ASTM A213 / SA213 , Cold Drawn Steel Tube 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 DIN 17175 Carbon / Alloy Steel Seamless Pipe , U Bending Steel Tubing PE , Ends Caps factory

DIN 17175 Carbon / Alloy Steel Seamless Pipe , U Bending Steel Tubing PE , Ends Caps

DIN 17175 Carbon / Alloy Steel Seamless Pipe , U Bending Steel Tubing PE , Ends Caps U BEND PIPE DIN17175 SEAMLESS TUBES OF HEAT-RESISTANT STEELS Part 1: Specification for low tensile carbon steel tubes without ... Read More
2017-03-14 13:47:38
China ASTM A519 Cold Drawn Carbon And Alloy Steel Seamless Pipes For Mechanical , Auto Parts factory

ASTM A519 Cold Drawn Carbon And Alloy Steel Seamless Pipes For Mechanical , Auto Parts

ASTM A519 Cold Drawn Carbon And Alloy Steel Seamless Pipes For Mechanical , Auto Parts 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 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 Alloy Steel Seamless Pipes for Boiler factory

Alloy Steel Seamless Pipes for Boiler

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
2015-12-08 14:56:02
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