CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

 

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

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seamless mechanical tube

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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seamless mechanical tube

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China Gas / Steam / Water Transportation And black / bare /oiled steel pipe ASTM A53 factory

Gas / Steam / Water Transportation And black / bare /oiled steel pipe ASTM A53

Gas / Steam / Water Transportation And black / bare /oiled steel pipe ASTM A53 Specifications: ASTM A53/A53M(ASME SA53/53M) Seamless Steel Pipe Steel Grade: A/B Surface Treatment: Oiling/Black painting/Varnish... Read More
2017-03-14 13:47:38
China Big OD Hot Finished Pipe ASTM A53 A106 Carbon Steel factory

Big OD Hot Finished Pipe ASTM A53 A106 Carbon Steel

Big OD Hot Finished Pipe ASTM A53 A106 Carbon Steel Specifications: ASTM A53/A53M(ASME SA53/53M) Seamless Steel Pipes Steel Grade: A/B Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating ... Read More
2017-03-14 13:47:38
China Cold Drawn Hot Roll High Pressure Steel Pipe For Heat Exchanger And Boiler factory

Cold Drawn Hot Roll High Pressure Steel Pipe For Heat Exchanger And Boiler

Cold Drawn Hot Roll High Pressure Steel Pipe For Heat Exchanger And Boiler EN10216-1 SEAMLESS CARBON STEEL HIGH PRESSURE PIPE EN10216-1 Part 1: Non-Alloy steel tubes with specified room temperature properties ... Read More
2017-03-14 13:47:38
China Black Painted Carbon Steel Seamless Pipe factory

Black Painted Carbon Steel Seamless Pipe

JIS G 3462 SEAMLESS STEEL TUBE FOR BOILER AND SUPERHEARTER Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE, ends caps Marking: as per requirement Size:... Read More
2016-06-21 13:14:07
China Black Round Steel Tubing Seamless , EN10297-1 Engineering And Mechanical Steel Tubing factory

Black Round Steel Tubing Seamless , EN10297-1 Engineering And Mechanical Steel Tubing

Black Round Steel Tubing Seamless , EN10297-1 Engineering And Mechanical Steel Tubing EN10297-1 SEAMLESS CIRCULAR STEEL TUBES FOR MECHANICAL AND GENERAL ENGINEERING PURPOSES Part 1: Non-Alloy and Alloy steel ... Read More
2017-03-14 13:47:38
China Black Painted/Bare Hot Finished Pipe large diameter steel pipe EN10297-1 factory

Black Painted/Bare Hot Finished Pipe large diameter steel pipe EN10297-1

Black Painted/Bare Hot Finished Pipe large diameter steel pipe EN10297-1 EN10297-1 SEAMLESS CIRCULAR STEEL PIPES FOR MECHANICAL AND GENERAL ENGINEERING PURPOSES Part 1: Non-Alloy and Alloy steel tubes ... 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 Hydraulic Mechanical Carbon Steel Seamless Pipe OD 6 - 350mm WT 0.8 - 35mm factory

Hydraulic Mechanical Carbon Steel Seamless Pipe OD 6 - 350mm WT 0.8 - 35mm

Hydraulic Mechanical Carbon Steel Seamless Pipe OD 6 - 350mm WT 0.8 - 35mm 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 DIN17175 Carbon Steel Seamless Pipe factory

DIN17175 Carbon Steel Seamless Pipe

DIN17175 SEAMLESS TUBES OF HEAT-RESISTANT STEELS Part 1: Specification for low tensile carbon steel tubes without specified elevated temperature properties Specifications: Surface Treatment: Oiling/Black ... Read More
2016-06-21 13:14:07
China Large Diameter Seamless Heavy Wall Steel Tube , High Temperature Resistant factory

Large Diameter Seamless Heavy Wall Steel Tube , High Temperature Resistant

Large Diameter Seamless Heavy Wall Steel Tube , High Temperature Resistant Specifications: Steel Grade: A/B/C Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating Ends: BE/PE, ends caps ... Read More
2017-03-14 13:47:38
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