Erw Welded Square Steel Pipe Total 430 manufacturers & suppliers found with 1,290 products
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
, Trading Company
Aluminized Steel Tube & Pipe , Stainless Steel Tube & Pipe , Galvanized Steel Tube & Pipe , Carbon Steel Tube & Pipe , Bulldozer and Grader
OEM, ODM
ISO 9001, ISO 14001, ISO 20000, OHSAS/ OHSMS 18001, ISO 14064...
Manufacturer/Factory
, Group Corporation
Aluminum , Copper , Stainless Steel , Carbon Steel , Galvanized
OEM, ODM, Own Brand
ISO 9001
Shandong Liaocheng Yuanhetai Steel Products Co., Ltd.
Since 2017
2000+
27
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
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
Tianjin Youfa International Trade Co., Ltd.
Since 2011
773
72
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Trading Company
Steel Pipe; Scaffolding; Pipe Fitting; Stainless Steel Pipe; Steel Plate and Coil
OEM, ODM, Own Brand
ISO 9001, ISO 14001, ISO 14000, OHSAS/ OHSMS 18001
Manufacturer/Factory
, Trading Company
Steel Nails/Iron Nail/Screw , Steel Wire/Iron Wire , Wire Mesh/Fence , Steel Pipe , Steel Profile/Purlin
OEM
ISO 9001, ISO 14001, OHSAS/ OHSMS 18001
Tangshan Lianchuang Steel Making Science & Technology Co., Ltd.
Since 2015
2000+
694
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Manufacturer/Factory
, Trading Company
Black Steel Tube
Own Brand, ODM, OEM
ISO9001:2015
Jiangsu Jialong Steel Co., Ltd.
Since 2022
66
3
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Trading Company
Stainless Steel Sheet , Stainless Steel Plate , Stainless Steel Pipe , Stainless Steel Tube , Stainless Steel Coil
ODM, OEM
ISO 9001
Manufacturer/Factory
Stainless Steel Sheet , Steel Sheet , Corrugated Sheet , Aluminum Sheet , Carbon Steel Coil
Wuxi, Jiangsu
Manufacturer/Factory
, Trading Company
Steel Plate , Steel Tube , Angle Steel Bar , Round Bar , CNC Cutting Service
OEM
ISO 9001, ISO 9000, ASME
Manufacturer/Factory
, Trading Company
Galvanized Post , Steel Pipe , Steel Plate , Steel Beam , Steel Coil
Own Brand
ISO 9001, ISO 9000
Manufacturer/Factory
Stainless Steel Sheet/Coil , Stainless Steel Pipe , Carbon Steel Sheet /Plate/Sheet , Carbon Steel Pipe/Tube , Galvanized Steel Sheet/Plat/Coil
OEM
within 15 workdays
Tianjin RuiTong Iron & Steel Co., LTD.
Since 2021
2000+
200
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Manufacturer/Factory
Erw Steel Pipe , Galvanised Steel Pipe , Square and Rectangular Pipe , Spiral Steel Pipe
Own Brand, ODM, OEM
ISO9001:2015
Manufacturer/Factory
, Trading Company
Steel Pipe , ERW Pipe , SSAW , Carbon Steel , Tube
OEM
ISO 9001, ISO 14001, ISO 20000
Manufacturer/Factory
, Trading Company
, Group Corporation
Seamless Pipe , Seamless Bright Annealing Tube , Stainless Steel , Electroplishing Tube , Pipe Fitting
OEM, Own Brand, manufacture and trading
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ANSI/ESD...
Manufacturer/Factory
Stainless Steel Sheet , Stainless Steel Coil , Stainless Steel Pipe , Galvanized Steel Sheet , Galvanized Steel Coil
OEM, ODM, Own Brand
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
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
Manufacturer/Factory
, Trading Company
Solid Fence , Private Fence , Privacy Fence , Powder Coated , Paited
OEM, ODM, Own Brand
ISO 9001, ISO 14001, OHSAS/ OHSMS 18001
Manufacturer/Factory
, Trading Company
Steel Plate & Steel Sheet , Heavy Steel Plate , Carbon & Low Alloy Steel Plate for Boile , Structural Plate for Shipbuilding , Steel Plate for Bridge Building
Pingdingshan, Henan
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...
Manufacturer/Factory
, Trading Company
, Group Corporation
Steel Structure , Steel & Iron Products , Chemicals , Building Materials , LED Lights
OEM
ISO 9001, ISO 9000
Shandong Jiugang Metal Products Co., Ltd.
Since 2023
178
15
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Trading Company
Stainless Steel Plate , Stainless Steel Coil , Stainless Steel Pipe , Stainless Steel Bar , Carbon Steel Plate
OEM, ODM
Response Time≤3h
TIANJIN FRIEND STEEL TUBE CO., LTD.
Since 2010
2000+
27
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Manufacturer/Factory
Galvanized Pipe , Steel Board , Scaffold Tube , Steel Prop , Steel Frame
ODM, OEM
ISO9001:2015, ISO14001:2015, ISO45001:2016
Manufacturer/Factory
, Trading Company
, Other
, Group Corporation
Stainless Steel , Steel Plate , Alloy Steel , Aluminum Sheet , Copper Sheet
OEM, ODM, Own Brand
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
Cangzhou Chengsheng Pipeline Equipment Co., Ltd.
Since 2024
56
3
Suppliers with verified business licenses
4.0
Plant Area
Number of Employees
Trading Company
Metal Part , Steel Pipe , Pipe Fitting
ODM, OEM
within 15 workdays
Zhangjiagang Zhongyue Metallurgy Equipment Technology Co., Ltd.
Since 2022
2000+
126
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Manufacturer/Factory
, Trading Company
Tube Mill
ODM, OEM
ISO9001:2015
Jiangsu Xinyi Steel Industry Co., Ltd.
Since 2023
Suppliers with verified business licenses
5.0
Manufacturer/Factory
, Trading Company
Stainless Steel , Carbon Steel , Galvanized Products , Aluminum , Copper
ISO 9001
Wuxi, Jiangsu
Guangzhou Longyuhing Trading Co., Ltd.
Since 2021
113
9
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Trading Company
Hot Rolled Steel Plate , Cold Rolled Steel Coil , H Beam Steel Plate , Steel Round Bar , Hot Rolled Steel Pipe
Guangzhou, Guangdong
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