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 Industrial Carbon Steel Heat Exchanger Tubes ASTM A179 / Seamless Mechanical Tubing factory

Industrial Carbon Steel Heat Exchanger Tubes ASTM A179 / Seamless Mechanical Tubing

Industrial Carbon Steel Heat Exchanger Tubes ASTM A179 / Seamless Mechanical Tubing 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 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 High Precision Round Hydraulic Cylinder Tube / Pipe Carbon Steel 0.5 - 25mm factory

High Precision Round Hydraulic Cylinder Tube / Pipe Carbon Steel 0.5 - 25mm

High Precision Round Hydraulic Cylinder Tube / Pipe Carbon Steel 0.5 - 25mm EN10305-1 HYDRAULIC CYLINDER TUBE, SEAMLESS STEEL TUBES FOR PRECISION APPLICATIONS Part 1: Seamless cold drawn tubes Specifications: ... Read More
2017-03-14 13:47:38
China Fluid Transportation Hot Finished Pipe Gas Transportation circular steel tube Seamless factory

Fluid Transportation Hot Finished Pipe Gas Transportation circular steel tube Seamless

Fluid Transportation Hot Finished Pipe Gas Transportation circular steel tube Seamless Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps ... Read More
2017-03-14 13:47:38
China Carbon Steel Industrial Seamless Boiler Tube,  Grade STBA22 / STBA23 factory

Carbon Steel Industrial Seamless Boiler Tube, Grade STBA22 / STBA23

Carbon Steel Industrial Seamless Boiler Tube, Grade STBA22 / STBA23 Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE, ends caps Marking: as per ... Read More
2017-03-14 13:47:38
China Condenser Heat Exchanger Tubes , Seamless Low Carbon Steel Pipe factory

Condenser Heat Exchanger Tubes , Seamless Low Carbon Steel Pipe

Condenser Heat Exchanger Tubes , Seamless Low Carbon Steel Pipe Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating Ends: BE/PE, ends caps Marking: as per requirement Delivery Condition: ... 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 Thin Wall Carbon Steel High Pressure Steel Pipe Seamless , Cold Drawn Water And Fuel Pipe factory

Thin Wall Carbon Steel High Pressure Steel Pipe Seamless , Cold Drawn Water And Fuel Pipe

Thin Wall Carbon Steel High Pressure Steel Pipe Seamless , Cold Drawn Water And Fuel Pipe Specifications: ASTM A53/A53M(ASME SA53/53M) Seamless Steel Tubes Steel Grade: A/B Surface Treatment: Oiling/Black ... Read More
2017-03-14 13:47:38
China Large Diameter High Pressure Steel Pipe / Tube , Seamless Carbon Steel Pipe ASTM A192 factory

Large Diameter High Pressure Steel Pipe / Tube , Seamless Carbon Steel Pipe ASTM A192

Large Diameter High Pressure Steel Pipe / Tube , Seamless Carbon Steel Pipe ASTM A192 SPECIFICATIONS: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating Ends: BE/PE, ends caps Marking: as ... Read More
2017-03-14 13:47:38
China Seamless Carbon Steel Heat Exchanger Tubes JIS G 3461 STB340 STB410 factory

Seamless Carbon Steel Heat Exchanger Tubes JIS G 3461 STB340 STB410

Seamless Carbon Steel Heat Exchanger Tubes JIS G 3461 STB340 STB410 Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE, ends caps Marking: as per ... Read More
2017-03-14 13:47:38
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