CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

 

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

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carbon steel seamless tubing

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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carbon steel seamless tubing

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China Heavy Wall Low Carbon Steel Seamless Tube , DIN1629 Non - Alloy Steel Round Pipe factory

Heavy Wall Low Carbon Steel Seamless Tube , DIN1629 Non - Alloy Steel Round Pipe

Heavy Wall Low Carbon Steel Seamless Tube , DIN1629 Non - Alloy Steel Round Pipe Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: PE, ends caps Marking: as ... Read More
2017-03-14 13:47:38
China DIN17175 Alloy / Carbon Steel Seamless Pipe And Tube , Low Temperature factory

DIN17175 Alloy / Carbon Steel Seamless Pipe And Tube , Low Temperature

DIN17175 Alloy / Carbon Steel Seamless Pipe And Tube , Low Temperature DIN17175 SEAMLESS TUBES OF HEAT-RESISTANT STEELS Part 1: Specification for low tensile carbon steel tubes without specified elevated ... Read More
2017-03-14 13:47:38
China Hot Roll Carbon Steel Seamless Pipe EN10216-1 , Black Painting / Varnish Steel Tube factory

Hot Roll Carbon Steel Seamless Pipe EN10216-1 , Black Painting / Varnish Steel Tube

Hot Roll Carbon Steel Seamless Pipe EN10216-1 , Black Painting / Varnish Steel Tube EN10216-1 SEAMLESS STEEL TUBE (TR1/TR2) FOR PRESSURE PURPOSES Part 1: Non-Alloy steel tubes with specified room temperature ... Read More
2017-03-14 13:47:38
China Black Painting Carbon Steel Seamless Pipe / Seamless Mechanical Tubing factory

Black Painting Carbon Steel Seamless Pipe / Seamless Mechanical Tubing

Black Painting Carbon Steel Seamless Pipe / Seamless Mechanical Tubing ASTM A179(ASME SA179) Carbon Steel Seamless Pipes Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating Ends: BE/PE, ... Read More
2017-03-14 13:47:38
China Alloy / Carbon Steel Seamless Pipe factory

Alloy / Carbon Steel Seamless Pipe

DIN17175 Alloy / Carbon Steel Seamless Pipe And Tube , Low Temperature DIN17175 SEAMLESS TUBES OF HEAT-RESISTANT STEELS Part 1: Specification for low tensile carbon steel tubes without specified elevated ... Read More
2016-06-21 13:14:09
China Cold Drawn Precision Carbon Steel Seamless Pipe with PED , ISO Certificate factory

Cold Drawn Precision Carbon Steel Seamless Pipe with PED , ISO Certificate

Cold Drawn Precision Carbon Steel Seamless Pipe with PED , ISO Certificate EN10305-4 SEAMLESS STEEL TUBES FOR PRECISION APPLICATIONS Part 4: Seamless cold drawn tubes for hydraulic and pneumatic power systems ... Read More
2017-03-14 13:47:38
China JISG 3461 Galvanized Carbon Steel Seamless Pipe For Preheating Tubes / Industrial factory

JISG 3461 Galvanized Carbon Steel Seamless Pipe For Preheating Tubes / Industrial

JISG 3461 Galvanized Carbon Steel Seamless Pipe For Preheating Tubes / Industrial Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE, ends caps Marking: ... Read More
2017-03-14 13:47:38
China ASTM A179 Thin Wall Carbon Steel Seamless Pipe , Condenser And Heat - Exchanger Tube factory

ASTM A179 Thin Wall Carbon Steel Seamless Pipe , Condenser And Heat - Exchanger Tube

ASTM A179 Thin Wall Carbon Steel Seamless Pipe , Condenser And Heat - Exchanger Tube Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating Ends: BE/PE, ends caps Marking: as per requirement ... 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 1/8 – 3 Inch ASTM A179 Carbon Steel Seamless Pipe With Wooden Box Packing factory

1/8 – 3 Inch ASTM A179 Carbon Steel Seamless Pipe With Wooden Box Packing

1/8 3 Inch ASTM A179 Carbon Steel Seamless Pipe With Wooden Box Packing ASTM A179 ( ASME SA179 ) COLD DRAWN SEAMLESS CARBON STEEL PIPE FOR HEAT - EXCHANGER AND CONDENSER Surface Treatment: Oiling/Black painting... Read More
2017-03-14 13:57:12
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