Wholesale Round Square Pipe
Total 2,000+
manufacturers & suppliers found with 6,000+ products
Manufacturer/Factory
, Trading Company
Galvanized Steel Pipe
, Stainless Stele Pipe
, Carbon Welded Steel Pipe
, Alloy Steel Pipe
, Carbon Seamless Steel Pipe
OEM, ODM
ISO 9001, QC 080000, BSCI, BRC, SA 8000
Zhejiang Zhong Ding Iron and Steel Co., Ltd.
Since 2022
Suppliers with verified business licenses
5.0
Manufacturer/Factory
, Trading Company
304 Stainless Steel Plate
ISO 9001, ISO 14001
Ningbo, Zhejiang
Shenzhen Ideal Water&Electricity Material Co., Ltd.
Since 2023
80
3
Suppliers with verified business licenses
4.0
Plant Area
Number of Employees
Trading Company
Water Meter
, Brass Water Meter
, Plastic Water Meter
, Gate Valve
, PE Pipe
ODM, OEM
ISO 9001, ISO 14001
Jiangsu HYT International Trading Co., Ltd.
Since 2020
105
4
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Trading Company
Seamless Steel Pipe
, Precision Steel Pipe
, Special Shape Steel Pipe
OEM, ODM, Own Brand
ISO 9001, ISO 9000, ISO 14001, ISO 14000
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
Jiangsu Zhengkuan Iron And Steel Co., Ltd.
Since 2021
2000+
28
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Manufacturer/Factory
, Trading Company
Steel Pipe
, Steel Plate
, Steel Coil
, Aluminum Coil
, Stainless Steel
OEM
ISO9001:2015
Tianjin Boer King Steel Import and Export Co., Ltd.
Since 2017
520
32
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Trading Company
Steel Pipe
, Casing Pipe
, Seamless Steel Pipe
, ERW Steel Pipe
, High Pressure Boiler Tube
OEM, Own Brand
Nil
Shandong Great Steel Co., Ltd
Since 2023
140
21
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Manufacturer/Factory
Welded Steel Pipe
, Ductile Iron Pipe
, Seamless Steel Pipe
Own Brand, ODM, OEM
ISO 9001, ISO 14064
Manufacturer/Factory
Seamless Steel Pipe
, Piling Pipe
, ERW Pipe
, Spiral Welded Pipe
, LSAW Steel Pipe
ODM
ISO 9001
Zhongye Metal Products (Shandong) Co., Ltd
Since 2023
136
8
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Trading Company
Aluminum Plate
, Aluminum Coil
, Aluminium Pipes
, Aluminum Bar
, Copper Plate
OEM
Nil
Shanghai Mingshuo Steel Co., Ltd
Since 2023
Suppliers with verified business licenses
5.0
Manufacturer/Factory
, Trading Company
Stainless Steel Sheet
, Stainless Steel Coil
, Stainess Steel Pipe
, Carbon Steel
, Aluminum Coil
Shanghai, Shanghai
Manufacturer/Factory
, Trading Company
Stainless Steel Sheet
, Stainless Steel Plate
, Stainless Steel Pipe
, Stainless Steel Tube
, Stainless Steel Coil
OEM, ODM
ISO 9001, BSCI, ANSI/ESD, ASME
Shandong Jichang Import and Export Co., Ltd.
Since 2021
300 Mil
680
44
Suppliers with verified business licenses
5.0
Annual Revenue
Plant Area
Number of Employees
Trading Company
Steel Tube
, Steel Coil
, Steel Plate
, PPGI
, PPGL
ODM, OEM
ISO 9001, ISO 9000, ISO 14064
Tianjin Dingshengwang Steel Trade Co., Ltd.
Since 2018
Suppliers with verified business licenses
5.0
Manufacturer/Factory
, Trading Company
, Group Corporation
Stainless Steel Sheet
, Stainless Steel Plate
, Stainless Steel Tube
, Stainless Steel Pipe
, Stainless Steel Bar/Rod
OEM, ODM
ISO 9001
Manufacturer/Factory
, Trading Company
Stainless Steel Sheet
, Stainless Steel Plate
, Stainless Steel Pipe
, Stainless Steel Tube
, Stainless Steel Coil
OEM, ODM
ISO 9001
Trading Company
Steel Pipe
, Galvanized Steel Pipe
, Steel Coil
, Galvanized Steel Coil
, Steel Sheet
OEM, ODM, Primee
Response Time≤3h
Manufacturer/Factory
Carbon Steel Plate
, Carbon Steel Pipe Tube
, Stainless Steel Pipe Tube
, PPGI Color Coated Coil
, Galvanized Pipe
OEM
Response Time≤3h
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
Manufacturer/Factory
, Trading Company
Steel Sheet
, Steel Pipe
, Steel Coil
, Steel Bar
, Steel Profile
OEM, ODM
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
Shandong Yute Metal Products Co., Ltd.
Since 2022
2000+
42
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Manufacturer/Factory
, Trading Company
Aluminum Products
, Copper Products
ODM, OEM
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
Tianjin Mingtai Aluminum Copper Co., Ltd.
Since 2013
123
10
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Trading Company
Aluminum
, Aluminum Alloy
, Copper
, Copper Alloy
, Brass
OEM, ODM
within 15 workdays
Manufacturer/Factory
, Trading Company
Hot-Rolled Steel Coils
, Cold-Rolled Steel Coils
, Galvanized Steel Coils
OEM, ODM, Own Brand
Response Time≤3h
Manufacturer/Factory
, Trading Company
Stainless Carbon Galvanized Steel Sheet Plate
, Stainless Carbon Galvanized Steel Coil Strip
, Stainless Carbon Galvanized Steel Pipe Tube
, PPGI PPGL Color Coated Corrugated Roofing Sheet
, Stainless Carbon Steel Profile Hollow Section
OEM, ODM
ISO 9001, ISO 14001, BSCI, ISO 13485, ANSI/ESD...
Yangtze Steel Group (China) Co., Ltd.
Since 2023
210
16
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Trading Company
Seamless Steel Pipe
, Welded Pipe
, Galvanized Steel Coil/Sheet
, Carbon Steel Coil/Sheet
, Steel Profile
OEM, ODM, Own Brand
Response Time≤3h
Manufacturer/Factory
Steel Pipe
, Steel Plate
, Steel Bar
, Stainless Steel Pipe
, Stainless Steel Sheet
OEM, ODM
ISO 9001, ISO 20000
Manufacturer/Factory
Stainless Steel Plate
, Stainless Steel Pipe
, Stainless Steel Coil
OEM
within 15 workdays
Manufacturer/Factory
, Trading Company
, Other
, Group Corporation
Carbon Steel
, Stainless Steel
, Galvanized Steel
, Aluminium Alloy
, PPGI&Gl
OEM, ODM
ISO 9001, ISO 14001, BRC
Qingdao Liange Special Steel Co., Ltd.
Since 2021
180
5
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Trading Company
Steel Coil
, Stainless Steel Plate
, Stainless Steel Coil
, Carbon Steel Plate
, Color Coated Steel Coil
ODM, OEM
ISO 9001, ISO 14001, ISO 20000, OHSAS/ OHSMS 18001, IATF16949...
Manufacturer/Factory
, Trading Company
Hot Rolled Coil/Sheet/Strip/Pipe
, Cold Rolled Coil/Sheet/Strip
, Galvanized Coil/Sheet/Strip/Pipe
, PPGI Coil/Sheet/Strip
, Stainless Coil/Sheet/Strip
OEM, ODM
ISO 9001
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