CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

 

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seamless black steel 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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seamless black steel pipe

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China Cold Drawn Seamless Mild Steel Tube DIN 1630 With OD16mm - 90mm WT 1.5-12mm factory

Cold Drawn Seamless Mild Steel Tube DIN 1630 With OD16mm - 90mm WT 1.5-12mm

Cold Drawn Seamless Mild Steel Tube DIN 1630 With OD16mm - 90mm WT 1.5-12mm DIN1630 HIGH PERFORMANCE SEAMLESS COLD DRAWN STEEL TUBE Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation... Read More
2017-03-14 13:47:38
China Seamless Steel Pipe , Cold Crawn Carbon Steel Pipe EN10255 S195T factory

Seamless Steel Pipe , Cold Crawn Carbon Steel Pipe EN10255 S195T

Seamless Steel Pipes , Cold Crawn Carbon Steel Pipe EN10255 S195T 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 Structural Din Cold Drawn Precision Steel Pipe Seamless Steel Tube 6m - 16m factory

Structural Din Cold Drawn Precision Steel Pipe Seamless Steel Tube 6m - 16m

Structural Din Cold Drawn Precision Steel Pipe Seamless Steel Tube 6m - 16m Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: PE/BE, ends caps Marking: as ... Read More
2017-03-14 13:47:38
China Large Diameter Precision Seamless Steel Pipe Wall Thickness 0.8 - 35mm OD 6 - 350mm factory

Large Diameter Precision Seamless Steel Pipe Wall Thickness 0.8 - 35mm OD 6 - 350mm

Large Diameter Precision Seamless Steel Pipe Wall Thickness 0.8 - 35mm OD 6 - 350mm Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: PE/BE, ends caps ... Read More
2017-03-14 13:47:38
China Round Seamless Carbon Steel Tubes For Petro - Chemical Equipment factory

Round Seamless Carbon Steel Tubes For Petro - Chemical Equipment

Round Seamless Carbon Steel Tubes For Petro - Chemical Equipment BIG OD SEAMLESS STEEL PIPE FOR FLUID TRANSPORTATION, PETRO-CHEMICAL EQUIPMENT, BOILER Specifications: Surface Treatment: Oiling/Black painting... Read More
2017-03-14 13:47:38
China Large Diameter Thin Wall Carbon Seamless Steel Pipe / Seamless Mechanical Tubing factory

Large Diameter Thin Wall Carbon Seamless Steel Pipe / Seamless Mechanical Tubing

Large Diameter Thin Wall Carbon Seamless Steel Pipe / Seamless Mechanical Tubing Specifications: Surface Treatment: Bare/Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling/As per requirement Ends: ... Read More
2017-03-14 13:47:38
China Industrial Alloy Steel Seamless Tubes Cold Crawn Carbon Steel Pipe EN10255 S195T factory

Industrial Alloy Steel Seamless Tubes Cold Crawn Carbon Steel Pipe EN10255 S195T

Industrial Alloy Steel Seamless Tubes , Cold Crawn Carbon Steel Pipe EN10255 S195T Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps ... Read More
2015-12-23 13:26:10
China Seamless Mild Steel Tube , cold drawn pipe for Boiler and Superheater factory

Seamless Mild Steel Tube , cold drawn pipe for Boiler and Superheater

Seamless Mild Steel Tube , cold drawn pipe for Boiler and Superheater STANDARDS: ASTM A210/ASME SA210 A1 ASTM A213/ASME T11 T22 ASTM A106B/A53B/A179/A192/A333/A335 ASME SA106B/A53B/A179/A192/A333/A335 BS3059 ... Read More
2017-03-14 14:10:47
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 Hydraulic Round Seamless Carbon Steel Tube / Seamless Boiler Tubes factory

Hydraulic Round Seamless Carbon Steel Tube / Seamless Boiler Tubes

Hydraulic Round Seamless Carbon Steel Tube / Seamless Boiler Tubes Specifications: Production Name: COLD DRAWN CARBON STEEL SEAMLESS TUBE BS3059 Surface Treatment: Bare/Oiling/Black painting/Varnish/Passivation... Read More
2017-03-14 13:47:38
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