Round Thick Seamless Pipe Total 441 manufacturers & suppliers found with 1,323 products
Manufacturer/Factory
, Trading Company
, Group Corporation
Steel Plate , Steel Pipe , Galvanized Products , H Beam , Stainless Steel Plate
OEM
ISO 9001, ISO 9000
Manufacturer/Factory
, Trading Company
Hot Rolled Steel Coil , Galvanized Steel Coil , PPGI Coil , Roofing Sheet , Galvanized Steel Pipe
OEM, ODM
ISO 9001
Manufacturer/Factory
, Trading Company
, Group Corporation
VCM Color Laminated Steel Sheet , Electrolytic Tinplate Sheet (ETP ) , Printed Electrolytic Tinplate Plate , Tin Can , Steel Fiber
OEM, ODM, Own Brand
ISO 9001, ISO 9000, ISO 14001, ISO 17025
HAN XIN STEEL GROUP CO., LTD
Since 2024
2000+
79
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Trading Company
Galvanized Steel Pipe , Galvanized Square Pipe , Seamless Steel Pipe , Profiles , ERW
ODM, OEM
ISO 9001, ISO 17025
Changzhou Newnuro International Trading Co., Ltd.
Since 2015
17.5 Mil
189
Suppliers with verified business licenses
4.0
Annual Revenue
Plant Area
Trading Company
Hydraulic Cylinder Parts , Hydraulic Fittings , Control Cables , Rod Ends
OEM, ODM, As per customers' requirements
ISO 9001, IATF16949, ANSI/ESD
Manufacturer/Factory
, Trading Company
Stainless Steel Sheet/Plate , Stainless Steel Coil/Strip , Stainless Steel Pipe/Tube , Stainless Steel Bar/Rod , Carbon Steel Sheet/Plate
OEM, Own Brand
ISO 9001, ISO 9000, BSCI
Manufacturer/Factory
Stainless Steel Pipe , Stainless Steel Seamless Pipe , Welded Stainless Steel Pipe , Sanitary Stainless Steel Pipe , Heat Exchanger Tube
OEM, ODM, Own Brand
Response Time≤3h
Manufacturer/Factory
, Trading Company
Steel Pipe , PPGI Coil/Sheet , PPGI Roofing Sheet , Galvanized Steel Coil , Galvanized Steel Sheet
OEM, Own Brand
ISO 9001, ISO 14001, IATF16949, HSE, ANSI/ESD...
Manufacturer/Factory
Honed Tubes , Piston Rods , Hydraulic Cylinders , Colding Drawing Tubes , Cold Drawing Machines
OEM, ODM
ISO 9001, GMP
Manufacturer/Factory
, Trading Company
, Group Corporation
Copper Alloy , Stainless Steel , Alloy Steel , Tool Steel , Special Steel
OEM, ODM, Own Brand
ISO 9001, ISO 9000, ISO 20000, SA 8000, BS 25999-2...
Hebei Pipeline Equipment HN Co., Ltd.
Since 2017
Suppliers with verified business licenses
5.0
Manufacturer/Factory
Steel Pipes , Pipe Fittings (Elbow Tee Reduer Cap...) , Flange , Pipe Spool , Thermal Insulation Pipe
OEM, ODM
ISO 9001, ISO 14001, OHSAS/ OHSMS 18001, ASME
Tianjin Youcheng Technology Co., Ltd.
Since 2022
130
27
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Trading Company
Galvanized steel pipe , Steel plate , Galvanized steel coil , Steel coil , Angle steel
OEM
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
Manufacturer/Factory
, Trading Company
CNC Machining Parts , Metal Stamping Parts , Metal Processing Parts , Forging Parts , Casting Parts
OEM, ODM
ISO 9001, ISO 9000, ISO 20000
Other
, Group Corporation
Scaffolding , Scaffold , Scaffolding System , Ringlock Scaffolding , Building Material
OEM
ISO 9001
Taizhou Gangyu Metal Products Co., Ltd.
Since 2023
2000+
18
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Manufacturer/Factory
, Trading Company
Stainless Steel Pleated Filter , Stainless Steel Products , Metalware
Own Brand, ODM, OEM
Others
Trading Company
Steel Pipe , Galvanized Steel Pipe , Steel Coil , Galvanized Steel Coil , Steel Sheet
OEM, ODM, Primee
ISO 9001, ISO 14001, QC 080000, ISO 50001
Manufacturer/Factory
, Trading Company
Fire Sprinkler Steel Pipe , Rigid Steel Conduit , EMT Conduit , Galvanized Steel Pipe , Powder Coating Production Line
ODM
ISO 9001, ISO 9000, ISO 14001, ISO 14000, OHSAS/ OHSMS 18001
Manufacturer/Factory
, Trading Company
, Group Corporation
Cold Rolled Stainless Steel Coil , Colored Stainless Steel Coil , Cold Rolled Stainless Steel Sheet , Colored Stainless Steel Sheet , Functional Stainless Steel
OEM, ODM, Own Brand
ISO 9001, ISO 14001, HSE
Shandong Donghong Pipe Industry Co., Ltd.
Since 2024
2531.53 Mil
2000+
1000+
Suppliers with verified business licenses
5.0
Annual Revenue
Plant Area
Number of Employees
Manufacturer/Factory
, Trading Company
Steel wire reinforced PE composite pipe , HDPE pipe , PE pipe , steel pipe
ODM, OEM, Own Brand
ISO9001:2015, ISO14001:2015
QINGDAO I-FLOW CO., LTD.
Since 2020
227
20
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Trading Company
Valve , Fire Hydrant , Flange , Pipe Fitting , Strainer
OEM, ODM, Own Brand
ISO9001:2015
Manufacturer/Factory
Stainless Steel Coil , Stainless Steel Sheet/Plate , Stainless Steel Pipe/Tube , Stainless Steel Bar , Stainless Steel Profile
OEM, ODM
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
Manufacturer/Factory
, Trading Company
Steel Sheet/Plate , Steel Pipe/Tube , Steel Coil/Strip , Steel Profile , Copper
OEM, ODM
Response Time≤3h
Manufacturer/Factory
, Trading Company
Steel Plate , Galvanized Steel Coil , Galvalume Steel , Galvalume Panels , PPGI/PPGL Coil
OEM, ODM, Own Brand
ISO 9001, ISO 9000, ISO 14001, ISO 10012
Manufacturer/Factory
, Trading Company
Honed Tube , Piston Rod , Hard Chrome Rod , Cylinder Components , Casting Gland
OEM, ODM
ISO 9001
Tianjin Zengze Steel Trading Co., Ltd.
Since 2011
1490
6
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Trading Company
Stainless Steel , Stainless Steel Plates , Stainless Steel Coils , 304 Stainless Steel Plates , 316 Stainless Steel Sheets
OEM, ODM
Tianjin, Tianjin
Manufacturer/Factory
Forged Tube , Rould Forging Bar , Square Forging Bar , Flange , Ring Forging
OEM, ODM
ISO 9001
Foshan Nanhai Binghui Building Materials Business Center
100
Plant Area
Manufacturer/Factory
Galvanized Steel Pipe , Water Pipe , Fire Pipe , Coating Plastic Steel Pipe , Ringlock Scaffolding
OEM
within 15 workdays
Manufacturer/Factory
Alloy Steel , Carbon Steel , Stainless Steel , High Speed Seel , Spring Steel
OEM, ODM
Response Time≤3h
Manufacturer/Factory
Steel Plates , Steel Coil , Galvanized Steel Coil , Galvanized Steel Pipe , Color Coated Coil
OEM, ODM
Response Time≤3h
Manufacturer/Factory
, Trading Company
Cable Tray , Aluminum Foil , Copper Tube , Gi/PPGI , Stainless Pipe
OEM, ODM, Own Brand
ISO 9001