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 High Pressure Seamless Boiler Tubes Standard ASTM A210 / Carbon Steel Seamless Pipe factory

High Pressure Seamless Boiler Tubes Standard ASTM A210 / Carbon Steel Seamless Pipe

High Pressure Seamless Boiler Tubes Standard ASTM A210 / Carbon Steel Seamless Pipe SPECIFICATIONS: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps ... Read More
2017-03-14 13:47:38
China Mechanical Seamless U Bend Pipe ASTM A210 /  SA210 , 32mm Waste Pipe With PED , ISO factory

Mechanical Seamless U Bend Pipe ASTM A210 / SA210 , 32mm Waste Pipe With PED , ISO

Mechanical Seamless U Bend Pipe ASTM A210 / SA210 , 32mm Waste Pipe With PED , ISO SPECIFICATIONS: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps ... Read More
2017-03-14 13:47:38
China A179 Cold Drawn Seamless Tube Round Steel Tubing 25.4 * 2.11 * 11800mm factory

A179 Cold Drawn Seamless Tube Round Steel Tubing 25.4 * 2.11 * 11800mm

A179 Cold Drawn Seamless Tube Round Steel Tubing 25.4 * 2.11 * 11800mm 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 Industrial Carbon Steel Heat Exchanger Tubes ASTM A179 / Seamless Mechanical Tubing factory

Industrial Carbon Steel Heat Exchanger Tubes ASTM A179 / Seamless Mechanical Tubing

Industrial Carbon Steel Heat Exchanger Tubes ASTM A179 / Seamless Mechanical Tubing 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 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 High Temperature Resistant Seamless Steel High Pressure Steam Pipe ASTM A106 factory

High Temperature Resistant Seamless Steel High Pressure Steam Pipe ASTM A106

High Temperature Resistant Seamless Steel High Pressure Steam Pipe ASTM A106 Specifications: Steel Grade: A/B/C Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating Ends: BE/PE, ends caps ... 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 ASTM A179 Seamless Cold Drawn U Shaped Pipe For Heat Exchanger And Condenser factory

ASTM A179 Seamless Cold Drawn U Shaped Pipe For Heat Exchanger And Condenser

ASTM A179 Seamless Cold Drawn U Shaped Pipe For Heat Exchanger And Condenser ASTM A179 ( ASME SA179 ) SEAMLESS COLD DRAWN U BEND PIPE FOR HEAT - EXCHANGER AND CONDENSER Surface Treatment: Oiling/Black painting... Read More
2017-03-14 13:47:38
China High Pressure Hydraulic Cylinder Tubing , Cold Drawn / Hot Rolled Seamless Steel Tube factory

High Pressure Hydraulic Cylinder Tubing , Cold Drawn / Hot Rolled Seamless Steel Tube

High Pressure Hydraulic Cylinder Tubing , Cold Drawn / Hot Rolled Seamless Steel Tube Specifications: Steel Grade: A/B/C Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating Ends: BE/PE, ... Read More
2017-03-14 13:47:38
China High Pressure Round Mild Steel Tube Wall Thickness 2.2mm - 25.4mm factory

High Pressure Round Mild Steel Tube Wall Thickness 2.2mm - 25.4mm

High Pressure Round Mild Steel Tube Wall Thickness 2.2mm - 25.4mm SPECIFICATIONS: 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
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