Longitudinal Welded Total 625 manufacturers & suppliers found with 1,875 products
Hebei Bending Fence Technology Co., Ltd
Since 2023
2000+
43
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Manufacturer/Factory
, Trading Company
3D Fence , Zinc Steel Fence , Chain Link Fence , Fence Gate , High Security Fence
Own Brand, ODM, OEM
ISO 9001, ISO 14001, OHSAS/ OHSMS 18001
Manufacturer/Factory
Plate Rolling Machine , Plate Leveling Machine , Plate Oil Press Machine , Plate Edge Planer and Milling Machine , Gantry Milling Boring Machine
OEM, ODM, Own Brand
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000
Zhejiang Hang Heavy Technology Co., Ltd.
Since 2007
2000+
145
Suppliers with verified business licenses
4.0
Plant Area
Number of Employees
Manufacturer/Factory
Various steel pipes , steel tubes , such as ERW steel pipe , LSAW steel pipe , SSAW steel pipe
Own Brand
ISO9001:2008, ISO14001:2004, OHSAS18001:2007
Manufacturer/Factory
, Trading Company
Steel Pipe , ERW Pipe , SSAW , Carbon Steel , Tube
OEM
ISO 9001, ISO 14001, ISO 20000
JIANGSU LIANGYI CO., LIMITED
Since 2014
Suppliers with verified business licenses
4.0
Manufacturer/Factory
Forged Rings , Forging Parts , Forging Rings , Forged Shafts , Forging Flanges
OEM
Wuxi, Jiangsu
Manufacturer/Factory
Seamless Steel Pipe , Piling Pipe , ERW Pipe , Spiral Welded Pipe , LSAW Steel Pipe
ODM
ISO 9001
Manufacturer/Factory
, Trading Company
Tube Sheet , Shell , Channel , Low Fin Tubes , Fin Tube
Own Brand
ISO 9001, ISO 9000, ISO 14001
Shandong Getweld Machinery and Equipment Co., Ltd.
Since 2018
Suppliers with verified business licenses
4.0
Manufacturer/Factory
, Trading Company
LPG Cylinder Production Line , Electric Water Heater Production Line , Solar Water Heater Production Line , Steel Drum Making Machine , LPG Gas Cylinders Manufacturing Machines
Tai'an, Shandong
Manufacturer/Factory
, Trading Company
Steel Pipe , Greenhouse , Container House , Fin Tube
OEM
ISO 9001, ISO 9000, OHSAS/ OHSMS 18001, QC 080000
Tianjin Boer King Steel Import and Export Co., Ltd.
Since 2017
314
11
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Trading Company
Casing Pipe; Seamless Steel Pipe; High Pressure Boiler Tube; Spiral Steel Pipe; Stainless Steel Pipe
OEM, Own Brand
ISO 9001, ISO 9000, ISO 14000, ISO 20000, IATF16949...
Jiangyin Joywell Heat Exchanger Co., Ltd.
Since 2023
100
4
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Trading Company
Heat Exchanger
OEM, ODM
Others
Manufacturer/Factory
, Trading Company
Seamless Pipe/Boiler Tube , Alloy Steel Seamless Pipe , API 5CT Petroleum Tubing Casing , Stainless Steel Seamless Tubes , Slotted Casing Seamless Pipe
OEM, ODM, Own Brand
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
Manufacturer/Factory
, Trading Company
Steel Tube and Pipe , Steel Construction , Carbon Steel Pipe , Stainless Steel Pipe , PVC Pipe and PE Pipe
OEM, ODM
ISO 9001, ISO 9000, ISO 14001, ISO 14000, OHSAS/ OHSMS 18001...
Hainan Huatongxinda Trade Co., Ltd.
Since 2017
Suppliers with verified business licenses
5.0
Manufacturer/Factory
, Trading Company
Elbow , Flange , Pipe Fitting , Tee , Reducer
OEM, ODM, Own Brand
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
CHANGSHA XIANGJIA METAL MATERIAL TRADING CO., LTD.
Since 2022
300 Mil
1000
187
Suppliers with verified business licenses
5.0
Annual Revenue
Plant Area
Number of Employees
Manufacturer/Factory
, Trading Company
Scaffolding(Including Ringlock Scaffolding , Cuplock Scaffolding , Kwickstage Scaffolding , Frame Scaffolding , Scaffolding Tube
ODM, OEM, Own Brand
Response Time≤3h
Tianjin Jinnuo Steel Pipe Co., Ltd.
Since 2022
2000+
109
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Manufacturer/Factory
, Trading Company
ERW steel pipe , Galvanized steel pipe , Seamless steel pipe , Steel plate
Own Brand, ODM, OEM
ISO9001:2015
Manufacturer/Factory
Titanium Pipe , Titanium Tube , Titanium Coil , Hastelloy Pipe , Hastelloy Tube
OEM, ODM
ISO 9001, ISO 14001
Zhangjiagang Hua Dong Boiler Co., Ltd.
Since 2024
2000+
203
Suppliers with verified business licenses
4.0
Plant Area
Number of Employees
Manufacturer/Factory
Boiler Evaporator , Boiler Steam Drum , Boiler Economizer , Boiler Superheater , Boiler Waterwall Panel
ODM
ISO9001:2015
Manufacturer/Factory
Automatic Welding Machine , CNC Welding Machine , Robot Welding Machine
OEM, ODM, Own Brand
ISO 9001
Manufacturer/Factory
Casting Part , Forging Part , Stamping Part , Machining Part , Dredging Part
OEM, ODM
ISO 9001, ISO 14001
Manufacturer/Factory
, Group Corporation
Seamless Steel Pipe , Boiler Tube , Casing Pipe , Alloy Steel Pipe
Tianjin, Tianjin
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
Hebei Shengtian Pipe-Fitting Group Co., Ltd.
Since 2013
2000+
110
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Manufacturer/Factory
, Trading Company
Steel Plate; Steel Pipe
Own Brand
ISO9001:2015, ISO14001:2015, ISO45001:2018
Liaocheng Shengteng New Material Co., Ltd.
Since 2023
60
3
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Manufacturer/Factory
, Trading Company
Seamless Steel Pipe , Carbon Steel Plate , Galvalume Coil , PPGI Roof , H Beam
ODM, OEM
ISO 9001, BSCI, ANSI/ESD
Manufacturer/Factory
Tube Mill Line , Roll Forming Machine , Slitting Line , Cut to Length Line
OEM, Own Brand
ISO 9001
Foshan Shunde Jinyujie Mechanical and Electrical Equipment Co., Ltd.
Since 2022
400
12
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Trading Company
Used Welded Pipe Machine , Used Erw Tube Mill , High Frequency Welder , Flying Saw , Steel Slitting Machine
customized
N/A
Manufacturer/Factory
, Trading Company
Welding Rotator , Welding Manipulator , Welding Turning Rolls , H Beam Auto Welding Line , Box Beam Production Line
OEM, ODM
Response Time≤3h
Manufacturer/Factory
Pipe , Steel Pipe , Stainless Steel Pipe , Seamless Stainless Steel Pipe , Precision Stainless Steel Pipe
Own Brand
ISO 9001
Manufacturer/Factory
, Trading Company
ERW Tube Mill Machine , Steel Pipe Welding Machine , Slitting Machine , Steel Ball Mill Machine , CCA Wire Clad Machine
OEM, ODM, Own Brand
ISO 9001
Fluid Tech Piping Systems (Tianjin) Co., Ltd
Since 2024
20
5
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Trading Company
Malleable Iron Pipe Fittings/Pipe Hangers/Anti-Seismic Bracket/Grooved Pipe Fittings/Fire Valve
ODM
Response Time≤3h