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 Low Tensile Carbon Steel Seamless Boiler Tubes BS3059-1 Grade 320 OD 12 - 127mm factory

Low Tensile Carbon Steel Seamless Boiler Tubes BS3059-1 Grade 320 OD 12 - 127mm

Low Tensile Carbon Steel Seamless Boiler Tubes BS3059-1 Grade 320 OD 12 - 127mm 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 Custom Seamless Carbon Steel U Bend Pipe For Boiler And Superhearter factory

Custom Seamless Carbon Steel U Bend Pipe For Boiler And Superhearter

Custom Seamless Carbon Steel U Bend Pipe For Boiler And Superhearter Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE, ends caps Marking: as per ... Read More
2017-03-14 13:47:38
China Carbon Steel Seamless Boiler Tubes factory

Carbon Steel Seamless Boiler Tubes

Low Tensile Carbon Steel Seamless Boiler Tubes BS3059-1 Grade 320 OD 12 - 127mm BS3059-1 STEEL BOILER AND SUPERHEATER TUBES Part 1: Specification for low tensile carbon steel tubes without specified elevated ... Read More
2015-11-11 15:43:30
China Seamless Carbon Steel Heat Exchanger Tubes JIS G 3461 STB340 STB410 factory

Seamless Carbon Steel Heat Exchanger Tubes JIS G 3461 STB340 STB410

Seamless Carbon Steel Heat Exchanger Tubes JIS G 3461 STB340 STB410 Specifications: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE, ends caps Marking: as per ... Read More
2017-03-14 13:47:38
China 1/8 - 26 Inch Seamless Carbon Steel High Pressure Steel Tube Wall Thickness  factory

1/8 - 26 Inch Seamless Carbon Steel High Pressure Steel Tube Wall Thickness 

1/8 - 26 Inch Seamless Carbon Steel High Pressure Steel Tube Wall Thickness 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 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 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 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 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 Hydraulic Precision Cold Drawn Seamless Tube And Pipe / Thick Wall Steel Tube factory

Hydraulic Precision Cold Drawn Seamless Tube And Pipe / Thick Wall Steel Tube

Hydraulic Precision Cold Drawn Seamless Tube And Pipe / Thick Wall Steel Tube Specifications: ASTM A106 COLD DRAWN SEAMLESS CARBON STEEL TUBE Steel Grade: A/B/C Surface Treatment: Oiling/Black painting/Varnish... Read More
2017-03-14 13:47:38
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