CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

 

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welded steel tubes

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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welded steel tubes

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China Heavy Wall Precision Seamless Steel Tube ASTM A519 , Seamless Mechanical Tubing factory

Heavy Wall Precision Seamless Steel Tube ASTM A519 , Seamless Mechanical Tubing

Heavy Wall Precision Seamless Steel Tube ASTM A519 , Seamless Mechanical Tubing 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 EN10305-4 Precision Steel Tube factory

EN10305-4 Precision Steel Tube

EN10305-4 SEAMLESS STEEL TUBES FOR PRECISION APPLICATIONS Part 4: Seamless cold drawn tubes for hydraulic and pneumatic power systems Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation... Read More
2015-11-11 15:34:06
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 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 Hollow Steel ASTM A333 Cold Drawn Seamless Tube 1 / 8 - 4 Inch OD , 1 - 12mm WT factory

Hollow Steel ASTM A333 Cold Drawn Seamless Tube 1 / 8 - 4 Inch OD , 1 - 12mm WT

Hollow Steel ASTM A333 Cold Drawn Seamless Tube 1 / 8 - 4 Inch OD , 1 - 12mm WT 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 ASTM A519 Precision Steel Tube factory

ASTM A519 Precision Steel Tube

ASTM A519 SEAMLSS PRECISION STEEL TUBE FOR MECHANICAL PURPOSES SPECIFICATIONS: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps Marking: as per requiremen... Read More
2015-11-11 15:34:05
China Structural Thick / Heavy Wall Steel Tube , Alloy Steel Seamless Pipe For Bending / Flanging factory

Structural Thick / Heavy Wall Steel Tube , Alloy Steel Seamless Pipe For Bending / Flanging

Structural Thick / Heavy Wall Steel Tube , Alloy Steel Seamless Pipe For Bending / Flanging Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends ... Read More
2017-03-14 13:47:38
China 1/8 - 4 Inch Seamless Steel Pipe / Low temperature steel tubing factory

1/8 - 4 Inch Seamless Steel Pipe / Low temperature steel tubing

1/8 - 4 Inch Seamless Steel Pipe / Low temperature steel tubing 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 ASME SA333 Gr.6 seamless carbon steel pipe for Low Temperature application factory

ASME SA333 Gr.6 seamless carbon steel pipe for Low Temperature application

ASME SA333 Gr.6 seamless carbon steel pipe for Low Temperature application SPECIFICATIONS: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps Marking: as ... Read More
2017-03-14 14:12:28
China ASME SA210 A1 / C Seamless Boiler Tubes with Phosphating / Oiling factory

ASME SA210 A1 / C Seamless Boiler Tubes with Phosphating / Oiling

ASME SA210 A1 / C Seamless Boiler Tubes with Phosphating / Oiling 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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