CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

 

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seamless mechanical tube

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 mechanical tube

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China ASME SA333 Gr.6 seamless boiler tubes / Annealed 4 inch steel pipe factory

ASME SA333 Gr.6 seamless boiler tubes / Annealed 4 inch steel pipe

ASME SA333 Gr.6 seamless boiler tubes / Annealed 4 inch steel pipe 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 Custom Circular Seamless Steel Pipe DIN1629 For Heat-Exchanger And Condenser factory

Custom Circular Seamless Steel Pipe DIN1629 For Heat-Exchanger And Condenser

Custom Circular Seamless Steel Pipe DIN1629 For Heat-Exchanger And Condenser Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: PE, ends caps Marking: as per ... Read More
2017-03-14 13:47:38
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 Threaded Standard DIN17175 Round Black Mild Steel Seamless Pipe Length 6 - 16m factory

Threaded Standard DIN17175 Round Black Mild Steel Seamless Pipe Length 6 - 16m

Threaded Standard DIN17175 Round Black Mild Steel Seamless Pipe Length 6 - 16m SEAMLESS STEEL PIPE DIN17175 OF HEAT-RESISTANT STEELS Part 1: Specification for low tensile carbon steel tubes without specified ... Read More
2017-03-14 13:47:38
China ASTM A213 T5 T11 Alloy Steel Seamless Pipes , Boiler And Heat - Exchanger Tubes factory

ASTM A213 T5 T11 Alloy Steel Seamless Pipes , Boiler And Heat - Exchanger Tubes

ASTM A213 T5 T11 Alloy Steel Seamless Pipes , Boiler And Heat - Exchanger Tubes 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 Precision Seamless Steel Pipe / Tubing ASTM A334 / 334M , Low Temperature factory

Precision Seamless Steel Pipe / Tubing ASTM A334 / 334M , Low Temperature

Precision Seamless Steel Pipe / Tubing ASTM A334 / 334M , Low Temperature 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 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 Alloy Steel Seamless Pipes for Boiler factory

Alloy Steel Seamless Pipes for Boiler

ASTM A213 T5 T11 Alloy Steel Seamless Pipes , Boiler And Heat - Exchanger Tubes Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps Marking: ... Read More
2015-12-08 14:56:02
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 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
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