CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

 

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welded steel tubes

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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welded steel tubes

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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
China Carbon Steel Seamless Tube, Cold Drawn, Size 89 * 3.5 * 6000mm, bare tube factory

Carbon Steel Seamless Tube, Cold Drawn, Size 89 * 3.5 * 6000mm, bare tube

COLD DRAWN SEAMLESS CARBON STEEL TUBE FOR STRUCTURE / BOILER / PETRO-CHEMICAL / FLUID TRANSPORTATION / AUTO PARTS Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating... Read More
2015-12-22 17:28:04
China Carbon Steel Seamless Tube, Cold Drawn, Size 38 * 2.5 mm, Cold Finished, bare tube factory

Carbon Steel Seamless Tube, Cold Drawn, Size 38 * 2.5 mm, Cold Finished, bare tube

CARBON STEEL SEAMLESS TUBE FOR STRUCTURE / BOILER / PETRO-CHEMICAL / FLUID TRANSPORTATION / AUTO PARTS Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE... Read More
2015-12-22 17:28:04
China Carbon Steel Seamless Tube, Cold Drawn, Size 32 * 2.5 mm, Hot Finished, bare tube factory

Carbon Steel Seamless Tube, Cold Drawn, Size 32 * 2.5 mm, Hot Finished, bare tube

CARBON STEEL SEAMLESS TUBE SIZE 32 * 2.5 MM FOR STRUCTURE / BOILER / PETRO-CHEMICAL / FLUID TRANSPORTATION / AUTO PARTS Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating... Read More
2015-12-22 17:28:04
China DIN17175 ST35.8 / ST45.8 seamless carbon steel tube / cs seamless pipe for Boiler Construction factory

DIN17175 ST35.8 / ST45.8 seamless carbon steel tube / cs seamless pipe for Boiler Construction

DIN17175 ST35.8 / ST45.8 seamless carbon steel tube / cs seamless pipe for Boiler Construction BOILER TUBE DIN17175 SEAMLESS TUBES OF HEAT-RESISTANT STEELS Part 1: Specification for low tensile carbon steel ... Read More
2017-03-14 13:47:38
China DIN 17175 ST45.8 / 1.0405 Seamless Boiler Tubes , Heat Resistant Seamless Steel Tube OD45mm factory

DIN 17175 ST45.8 / 1.0405 Seamless Boiler Tubes , Heat Resistant Seamless Steel Tube OD45mm

DIN 17175 ST45.8 / 1.0405 Seamless Boiler Tubes , Heat Resistant Seamless Steel Tube OD45mm DIN17175 SEAMLESS TUBES OF HEAT-RESISTANT STEELS Part 1: Specification for low tensile carbon steel tubes without ... Read More
2017-03-14 14:00:01
China Thick Wall Seamless Mild Steel Tube / Pipes , 1 / 2 - 5inch Outer Diameter factory

Thick Wall Seamless Mild Steel Tube / Pipes , 1 / 2 - 5inch Outer Diameter

Thick Wall Seamless Mild Steel Tube / Pipes , 1 / 2 - 5inch Outer Diameter 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 ASME SA210 Gr. A1 Cold Drawn Seamless Tube , round steel tubing OD less than 100mm factory

ASME SA210 Gr. A1 Cold Drawn Seamless Tube , round steel tubing OD less than 100mm

ASME SA210 Gr. A1 Cold Drawn Seamless Tube , round steel tubing OD less than 100mm SPECIFICATIONS: Surface Treatment: Bare/Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps ... Read More
2017-03-14 14:07:21
China Low Pressure Carbon Steel Seamless Tube OD 15mm - 90mm WT 1.5mm - 12mm factory

Low Pressure Carbon Steel Seamless Tube OD 15mm - 90mm WT 1.5mm - 12mm

Low Pressure Carbon Steel Seamless Tube OD 15mm - 90mm WT 1.5mm - 12mm 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 DIN17175 ST35.8 /1.0305 steel round tube OD31.75mm woven bag wrapping factory

DIN17175 ST35.8 /1.0305 steel round tube OD31.75mm woven bag wrapping

DIN17175 ST35.8 /1.0305 steel round tube OD31.75mm woven bag wrapping DIN17175 SEAMLESS TUBES OF HEAT-RESISTANT STEELS Part 1: Specification for low tensile carbon steel tubes without specified elevated ... Read More
2017-03-14 14:09:40
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