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 DIN1630 High Performance Seamless Circular Steel Tubes , Black Carbon Steel Pipe factory

DIN1630 High Performance Seamless Circular Steel Tubes , Black Carbon Steel Pipe

DIN1630 High Performance Seamless Circular Steel Tubes , Black Carbon Steel Pipe Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: PE, ends caps Marking: as ... Read More
2017-03-14 13:47:38
China ASTM A179 Seamless Carbon Steel Pipe OD 19.05mm / 25.4mm / 31.75mm factory

ASTM A179 Seamless Carbon Steel Pipe OD 19.05mm / 25.4mm / 31.75mm

ASTM A179 Seamless Carbon Steel Pipe OD 19.05mm / 25.4mm / 31.75mm ASTM A179 ( ASME SA179 ) COLD DRAWN SEAMLESS CARBON STEEL PIPE FOR HEAT - EXCHANGER AND CONDENSER Surface Treatment: Oiling/Black painting... Read More
2017-03-14 13:47:38
China Standard ASTM A210 Middle Carbon Steel Pipe Seamless Steel Tube Of Water / Oil And Gas factory

Standard ASTM A210 Middle Carbon Steel Pipe Seamless Steel Tube Of Water / Oil And Gas

Standard ASTM A210 Middle Carbon Steel Pipe Seamless Steel Tube Of Water / Oil And Gas SPECIFICATIONS: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps ... Read More
2017-03-14 13:47:38
China Hot–Dipped Black Carbon Steel Seamless Pipe Of Steam / Water And Gas factory

Hot–Dipped Black Carbon Steel Seamless Pipe Of Steam / Water And Gas

HotDipped Seamless Black Steel Pipe Carbon Steel Tubes Of Steam And Water Specifications: ASTM A53/A53M(ASME SA53/53M) Seamless Steel Tubes Steel Grade: A/B Surface Treatment: Oiling/Black painting/Varnish... Read More
2017-03-14 13:47:38
China ASME SA179 Cold Drawn carbon seamless steel pipe OD 3.2 - 76.2 mm factory

ASME SA179 Cold Drawn carbon seamless steel pipe OD 3.2 - 76.2 mm

ASME SA179 Cold Drawn carbon seamless steel pipe OD 3.2 - 76.2 mm ASME SA179 COLD DRAWN SEAMLESS CARBON STEEL PIPE FOR HEAT - EXCHANGER AND CONDENSER Surface Treatment: Oiling/Black painting/Varnish/Passivation... Read More
2017-03-14 13:47:38
China 1/8 – 3 Inch ASTM A179 Carbon Steel Seamless Pipe With Wooden Box Packing factory

1/8 – 3 Inch ASTM A179 Carbon Steel Seamless Pipe With Wooden Box Packing

1/8 3 Inch ASTM A179 Carbon Steel Seamless Pipe With Wooden Box Packing ASTM A179 ( ASME SA179 ) COLD DRAWN SEAMLESS CARBON STEEL PIPE FOR HEAT - EXCHANGER AND CONDENSER Surface Treatment: Oiling/Black painting... Read More
2017-03-14 13:57:12
China Hot Roll EN10216-1 Round Carbon Steel Pipe Black Painting / Varnish / Oiling factory

Hot Roll EN10216-1 Round Carbon Steel Pipe Black Painting / Varnish / Oiling

Hot Roll EN10216-1 Round Carbon Steel Pipe Black Painting / Varnish / Oiling EN10216-1 SEAMLESS STEEL PIPE (TR1/TR2) FOR PRESSURE PURPOSES Part 1: Non-Alloy steel tubes with specified room temperature ... Read More
2017-03-14 13:47:38
China ASTM A192 Heavy Wall Carbon Steel Seamless Pipe Large Diameter OD 1 / 2 - 7 Inch factory

ASTM A192 Heavy Wall Carbon Steel Seamless Pipe Large Diameter OD 1 / 2 - 7 Inch

ASTM A192 Heavy Wall Carbon Steel Seamless Pipe Large Diameter OD 1 / 2 - 7 Inch SPECIFICATIONS: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating Ends: BE/PE, ends caps Marking: as per ... Read More
2017-03-14 13:47:38
China High Pressure Seamless Carbon Steel Pipe And Tube For Boiler / Super Heater factory

High Pressure Seamless Carbon Steel Pipe And Tube For Boiler / Super Heater

High Pressure Seamless Carbon Steel Pipe And Tube For Boiler / Super Heater BS3059-1 STEEL BOILER AND SUPERHEATER TUBES Part 1: Specification for low tensile carbon steel tubes without specified elevated ... Read More
2017-03-14 13:47:38
China Cold Drawn Carbon Steel Seamless Pipe DIN17175 for Boiler Flue / Pressure Vessel factory

Cold Drawn Carbon Steel Seamless Pipe DIN17175 for Boiler Flue / Pressure Vessel

Cold Drawn Carbon Steel Seamless Pipe DIN17175 for Boiler Flue / Pressure Vessel DIN17175 SEAMLESS TUBES OF HEAT-RESISTANT STEELS Part 1: Specification for low tensile carbon steel tubes without specified ... Read More
2017-03-14 13:47:38
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