CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

 

We are leading manufacturer of CDS and HFS pipes and Tubes.

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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 ASTM A334 Carbon Steel Seamless Pipe And Tube , 2 Inch 4 Inch Steel Pipe Non - Secondary factory

ASTM A334 Carbon Steel Seamless Pipe And Tube , 2 Inch 4 Inch Steel Pipe Non - Secondary

ASTM A334 Carbon Steel Seamless Pipe And Tube , 2 Inch 4 Inch Steel Pipe Non - Secondary SPECIFICATIONS: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps ... Read More
2017-03-14 13:47:38
China JISG 3461 Galvanized Carbon Steel Seamless Pipe For Preheating Tubes / Industrial factory

JISG 3461 Galvanized Carbon Steel Seamless Pipe For Preheating Tubes / Industrial

JISG 3461 Galvanized Carbon Steel Seamless Pipe For Preheating Tubes / Industrial Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE, ends caps Marking: ... 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 ASTM A519 Seamless Heavy Wall Steel Tube / Tubing For Industrial , Auto Parts factory

ASTM A519 Seamless Heavy Wall Steel Tube / Tubing For Industrial , Auto Parts

ASTM A519 Seamless Heavy Wall Steel Tube / Tubing For Industrial , Auto Parts 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 Carbon Steel Seamless Tube for Petro-Chemical Equipments, size 25*2.5mm/16*2mm, factory

Carbon Steel Seamless Tube for Petro-Chemical Equipments, size 25*2.5mm/16*2mm,

Carbon Steel Seamless Tube for Petro-Chemical Equipments Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps Marking: as per requirement ... Read More
2017-03-11 14:14:30
China Carbon Steel astm seamless pipe / steel tubes and pipes for Heat Exchanger factory

Carbon Steel astm seamless pipe / steel tubes and pipes for Heat Exchanger

Carbon Steel astm seamless pipe / steel tubes and pipes for Heat Exchanger 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 ASME SA179 Heat Exchanger Tubes Cold Drawn Seamless with phosphating and lubricating factory

ASME SA179 Heat Exchanger Tubes Cold Drawn Seamless with phosphating and lubricating

ASME SA179 Heat Exchanger Tubes Cold Drawn Seamless with phosphating and lubricating 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 Carbon Steel Alloy Steel Pipe Seamless ASTM A213 / SA213 , Cold Drawn Steel Tube factory

Carbon Steel Alloy Steel Pipe Seamless ASTM A213 / SA213 , Cold Drawn Steel Tube

Carbon Steel Alloy Steel Pipe Seamless ASTM A213 / SA213 , Cold Drawn Steel Tube 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 Carbon Steel Seamless Tube, Cold Drawn, Size 89 * 3.5 * 6000mm, bare tube factory

Carbon Steel Seamless Tube, Cold Drawn, Size 89 * 3.5 * 6000mm, bare tube

COLD DRAWN SEAMLESS CARBON STEEL TUBE FOR STRUCTURE / BOILER / PETRO-CHEMICAL / FLUID TRANSPORTATION / AUTO PARTS Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating... Read More
2015-12-22 17:28:04
China Carbon Steel Seamless Tube, Cold Drawn, Size 38 * 2.5 mm, Cold Finished, bare tube factory

Carbon Steel Seamless Tube, Cold Drawn, Size 38 * 2.5 mm, Cold Finished, bare tube

CARBON STEEL SEAMLESS TUBE FOR STRUCTURE / BOILER / PETRO-CHEMICAL / FLUID TRANSPORTATION / AUTO PARTS Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE... Read More
2015-12-22 17:28:04
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