CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

 

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

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black carbon 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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black carbon steel pipe

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China Carbon Steel Heat Exchange Tube factory

Carbon Steel Heat Exchange Tube

Carbon Steel Heat Exchange Tube Thickness , Heat Resisting Seamless Boiler Tube EN10216-1 SEAMLESS CARBON STEEL HIGH PRESSURE PIPE EN10216-1 Part 1: Non-Alloy steel tubes with specified room temperature ... Read More
2015-11-11 15:50:09
China Seamless Carbon Steel Heat Exchanger Tubes OD 16mm - 90mm , Cold Drawn factory

Seamless Carbon Steel Heat Exchanger Tubes OD 16mm - 90mm , Cold Drawn

Seamless Carbon Steel Heat Exchanger Tubes OD 16mm - 90mm , Cold Drawn BS3059-1 GRADE 320 COLD DRAWN SEAMLESS TUBE FOR HEAT EXCHANGER Specifications: Production Name: COLD DRAWN CARBON STEEL SEAMLESS TUBE ... Read More
2017-03-14 13:47:38
China Carbon Steel Seamless Tube for Petro-Chemical Equipments, size 25*2.5mm/16*2mm, factory

Carbon Steel Seamless Tube for Petro-Chemical Equipments, size 25*2.5mm/16*2mm,

Carbon Steel Seamless Tube for Petro-Chemical Equipments Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps Marking: as per requirement ... Read More
2017-03-11 14:14:30
China Round carbon steel seamless pipe, seamless cold drawn/hot roll with OD 10 - 1220mm factory

Round carbon steel seamless pipe, seamless cold drawn/hot roll with OD 10 - 1220mm

Round carbon steel seamless pipe seamless cold drawn/hot roll with OD 10 - 1220mm SEAMLESS STEEL PIPE ASTM A106 / ASTM A53 / API 5L / EN10255 / EN10297 / EN10216 / GB8162 / GB8163 Surface Treatment: Oiling... Read More
2017-03-14 13:47:38
China Hydraulic Mild Steel Pipe 8mm Thickness , Seamlss Carbon And Alloy Steel Tube ASTM A519 factory

Hydraulic Mild Steel Pipe 8mm Thickness , Seamlss Carbon And Alloy Steel Tube ASTM A519

Hydraulic Mild Steel Pipe 8mm Thickness , Seamlss Carbon And Alloy Steel Tube ASTM A519 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 And Alloy Steel Heavy Wall Steel Tube / Pipe , Steel Mechanical Tubing ASTM A519 factory

Carbon And Alloy Steel Heavy Wall Steel Tube / Pipe , Steel Mechanical Tubing ASTM A519

ASTM A519 SEAMLSS CARBON STEEL AND ALLOY STEEL HEAVY WALL STEEL TUBE FOR MECHANICAL PURPOSES SPECIFICATIONS: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends ... Read More
2017-03-14 13:47:38
China Carbon Steel Alloy Steel Pipe Seamless ASTM A213 / SA213 , Cold Drawn Steel Tube factory

Carbon Steel Alloy Steel Pipe Seamless ASTM A213 / SA213 , Cold Drawn Steel Tube

Carbon Steel Alloy Steel Pipe Seamless ASTM A213 / SA213 , Cold Drawn Steel Tube Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps Marking: ... Read More
2017-03-14 13:47:38
China Round Bare Carbon Steel Cold Drawn Seamless Steel Tube 89 * 3.5mm factory

Round Bare Carbon Steel Cold Drawn Seamless Steel Tube 89 * 3.5mm

Round Bare Carbon Steel Cold Drawn Seamless Steel Tube 89 * 3.5mm 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 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 Thin Wall Cold Drawn Seamless Tube Carbon Steel With OD 16mm - 90mm , Heat Resistant factory

Thin Wall Cold Drawn Seamless Tube Carbon Steel With OD 16mm - 90mm , Heat Resistant

Thin Wall Cold Drawn Seamless Tube Carbon Steel With OD 16mm - 90mm , Heat Resistant Specifications: Production Name: COLD DRAWN CARBON STEEL SEAMLESS TUBE Surface Treatment: Oiling/Black painting/Varnish... Read More
2017-03-14 13:47:38
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