CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

 

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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 JIS G 3454 High Pressure Seamless Pipe Carbon Steel , 18 Inch 24 Inch Alloy Steel Pipes factory

JIS G 3454 High Pressure Seamless Pipe Carbon Steel , 18 Inch 24 Inch Alloy Steel Pipes

JIS G 3454 High Pressure Seamless Pipe Carbon Steel , 18 Inch 24 Inch Alloy Steel Pipes Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps ... Read More
2017-03-14 13:47:38
China Seamless Steel Pipe Carbon Steel Bare Tube / Black Painted / Varnished / Phosphating factory

Seamless Steel Pipe Carbon Steel Bare Tube / Black Painted / Varnished / Phosphating

Round WSeamless Steel Pipe And Tube / Seamless Carbon Steel Pipe SEAMLESS STEEL PIPE FOR FLUID TRANSPORTATION, PETRO-CHEMICAL EQUIPMENT, BOILER Specifications: Surface Treatment: Oiling/Black painting/Varnish... Read More
2015-12-23 13:27:37
China ASME SA210 Grade A1 / C seamless black steel pipe for Boiler , OD 12.7-127mm factory

ASME SA210 Grade A1 / C seamless black steel pipe for Boiler , OD 12.7-127mm

ASME SA210 Grade A1 / C seamless black steel pipe for Boiler , OD 12.7-127mm 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 ASTM A179 Cold Drawn Seamless Steel Pipe OD 1/8 inch – 3 Inch factory

ASTM A179 Cold Drawn Seamless Steel Pipe OD 1/8 inch – 3 Inch

ASTM A179 Cold Drawn Seamless Steel Pipe OD 1/8 inch 3 Inch ASTM A179 ( ASME SA179 ) COLD DRAWN SEAMLESS CARBON STEEL PIPE FOR HEAT - EXCHANGER AND CONDENSER Surface Treatment: Oiling/Black painting/Varnish... 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 ASME SA179 Cold Drawn Seamless Tubing , Low Carbon Steel Pipe For Heat-Exchanger factory

ASME SA179 Cold Drawn Seamless Tubing , Low Carbon Steel Pipe For Heat-Exchanger

ASME SA179 Cold Drawn Seamless Tubing , Low Carbon Steel Pipe For Heat-Exchanger COLD DRAWN SEAMLESS CARBON STEEL TUBE Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating Ends: BE/PE, ends ... Read More
2017-03-14 13:47:38
China Round ASTM A179 Seamless Carbon Steel Pipe For Heat Exchanger And Condenser factory

Round ASTM A179 Seamless Carbon Steel Pipe For Heat Exchanger And Condenser

Round ASTM A179 Seamless Carbon Steel Pipe For Heat Exchanger And Condenser ASTM A179(ASME SA179) Seamless Steel Pipes for Heat-exchanger and condenser Surface Treatment: Oiling/Black painting/Varnish... Read More
2017-03-14 13:47:38
China Low Pressure Boiler Mild Steel Tube Seamless Carbon Steel Pipe ASTM A179 / SA179 factory

Low Pressure Boiler Mild Steel Tube Seamless Carbon Steel Pipe ASTM A179 / SA179

Low Pressure Boiler Mild Steel Tube Seamless Carbon Steel Pipe ASTM A179 / SA179 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 Heat Resistant Boiler JIS G 3454 Seamless Carbon Steel Pipe Wall Thickness 12mm factory

Heat Resistant Boiler JIS G 3454 Seamless Carbon Steel Pipe Wall Thickness 12mm

Heat Resistant Boiler JIS G 3454 Seamless Carbon Steel Pipe Wall Thickness 12mm 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 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
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