CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

 

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seamless black 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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seamless black steel pipe

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China High Pressure Carbon Steel U Bend Pipe Seamless , MIN WT Bend Steel Tubing factory

High Pressure Carbon Steel U Bend Pipe Seamless , MIN WT Bend Steel Tubing

High Pressure Carbon Steel U Bend Pipe Seamless , MIN WT Bend Steel Tubing 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 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 ASTM A210 A1 Cold Drawn Seamless Tube Middle Carbon Steel OD 1/2 - 5" factory

ASTM A210 A1 Cold Drawn Seamless Tube Middle Carbon Steel OD 1/2 - 5"

ASTM A210 A1 Cold Drawn Seamless Tube Middle Carbon Steel OD 1/2 - 5" 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 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 ASME SA192 cold drawn seamless steel tube , carbon steel tubing size 19.05*2.11 factory

ASME SA192 cold drawn seamless steel tube , carbon steel tubing size 19.05*2.11

ASME SA192 cold drawn seamless steel tube , carbon steel tubing size 19.05*2.11 SPECIFICATIONS: Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating Ends: BE/PE, ends caps Marking: as per ... Read More
2017-03-14 14:08:23
China High Pressure Seamless Boiler Tubes ASTM A192 For Petro-Chemical Industrial factory

High Pressure Seamless Boiler Tubes ASTM A192 For Petro-Chemical Industrial

High Pressure Seamless Boiler Tubes ASTM A192 For Petro-Chemical Industrial Specifications: SEAMLESS BOILER STEEL TUBE ASTM A192(ASME SA192) Surface Treatment: Oiling/Black painting/Varnish/Passivation... Read More
2017-03-14 13:47:38
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
China ASTM A210 Gr .  A1 Seamless Boiler Tubes with pickling and phosphating factory

ASTM A210 Gr . A1 Seamless Boiler Tubes with pickling and phosphating

ASTM A210 Gr . A1 Seamless Boiler Tubes with pickling and phosphating SPECIFICATIONS: Surface Treatment: Bare/Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling Ends: BE/PE, ends caps Marking: as ... Read More
2017-03-14 13:58:59
China High Temperature Alloy Steel Seamless Pipe ASTM A335 / Seamless Mechanical Tubing factory

High Temperature Alloy Steel Seamless Pipe ASTM A335 / Seamless Mechanical Tubing

High Temperature Alloy Steel Seamless Pipe ASTM A335 / 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 EN10216 P195 / P235 CS Seamless Pipes Steel Seamless Tube WT 1.5mm - 16mm factory

EN10216 P195 / P235 CS Seamless Pipes Steel Seamless Tube WT 1.5mm - 16mm

EN10216 P195 / P235 CS Seamless Pipes Steel Seamless Tube WT 1.5mm - 16mm EN10216-1 SEAMLESS CARBON STEEL HIGH PRESSURE PIPE EN10216-1 Part 1: Non-Alloy steel tubes with specified room temperature properties ... Read More
2017-03-14 13:47:38
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