Wholesale Black Square Pipe Total 2,000+ manufacturers & suppliers found with 6,000+ products
Manufacturer/Factory
Stainless Steel Sheet , Stainless Steel Pipe , Stainless Steel Plate , Stainless Steel Coil Tube , Stainless Steel Coil
OEM, ODM
ISO 9001, ANSI/ESD, ASME
Manufacturer/Factory
, Group Corporation
Aluminum , Copper , Stainless Steel , Carbon Steel , Galvanized
OEM, ODM, Own Brand
ISO 9001
Manufacturer/Factory
Aluminum Foil , Aluminum Plate , Aluminum Pipe , Aluminum Bar , Aluminum Coils
OEM
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
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
Seamless Square Steel Pipe , Railyway Steel Rail , Cold Rolled Precision Steel Tubes Pipes , Galvanized Steel Pipe , Steel Sheet/Plate
OEM, ODM
ISO 9001, ISO 9000, ISO 10012
![Mydehow Steel (Tianjin ) Co., Ltd.](https://www.micstatic.com/mic-search/img/com-logo.png?_v=1718945709819)
Mydehow Steel (Tianjin ) Co., Ltd.
![China Supplier - Diamond Member](https://www.micstatic.com/common/img/icon/diamond_member_16.png?_v=1718945709819)
Suppliers with verified business licenses
5.0
![Plant Area](https://www.micstatic.com/mic-search/img/area.png?_v=1718945709819)
Plant Area
![Number of Employees](https://www.micstatic.com/mic-search/img/employee.png?_v=1718945709819)
Number of Employees
Trading Company
Steel Pipe/Carbon Steel Pipe/Seamless Steel Pipe/Seamless Tube/Steel Tube/Aluminum Products/Galvanized Products
ODM
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
Manufacturer/Factory
Stainless Steel Sheet , Stainless Steel Coil , Stainless Steel Pipe , Stainless Steel Round Steel , Stainless Steel Angle Steel
OEM, ODM, Own Brand
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
Manufacturer/Factory
Pipeline Steel , Cold-Rolled Steel Pipe , Steel Bar , Hot Rolled Steel Pipe , Rectangular Square Steel Tube
OEM
ISO 9001, ISO 9000, ISO 14001
Manufacturer/Factory
Excavator , Truck Crane , Wheel Loader , Bulldozer , Dump Truck
OEM, ODM
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000
Manufacturer/Factory
, Group Corporation
Seamless Steel Pipe , Boiler Tube , Casing Pipe , Alloy Steel Pipe
OEM, ODM, Own Brand
within 15 workdays
Manufacturer/Factory
, Trading Company
Glass Water Pipe , Glass Art , Recycler Glass Water Pipe , Smoking Accessories , Glass Smoking Pipes
OEM, ODM
ISO 9001, GMP
Trading Company
Galvanized Steel , PPGI/PPGL , Steel Plate , Round Bar , Steel Pipe
OEM, ODM
ISO 9001, ISO 14001
![Sino Steel Group (Shandong) Co., Ltd.](https://www.micstatic.com/mic-search/img/com-logo.png?_v=1718945709819)
Sino Steel Group (Shandong) Co., Ltd.
![China Supplier - Diamond Member](https://www.micstatic.com/common/img/icon/diamond_member_16.png?_v=1718945709819)
Suppliers with verified business licenses
5.0
![Annual Revenue](https://www.micstatic.com/mic-search/img/revenue.png?_v=1718945709819)
Annual Revenue
![Plant Area](https://www.micstatic.com/mic-search/img/area.png?_v=1718945709819)
Plant Area
![Number of Employees](https://www.micstatic.com/mic-search/img/employee.png?_v=1718945709819)
Number of Employees
Trading Company
Stainless steel profiles , carbon steel , galvanized steel
OEM, ODM
ISO 9001, ISO 9000, ISO 20000
Manufacturer/Factory
, Trading Company
, Group Corporation
Steel Pipe , Aluminum Coil , Galvanized Steel Coil , Steel Bar , Rebar
Response Time≤3h
ISO 9001, ISO 14001
![Jiangsu Tisco Steel Co., Ltd.](https://www.micstatic.com/mic-search/img/com-logo.png?_v=1718945709819)
Jiangsu Tisco Steel Co., Ltd.
![China Supplier - Diamond Member](https://www.micstatic.com/common/img/icon/diamond_member_16.png?_v=1718945709819)
Suppliers with verified business licenses
5.0
Manufacturer/Factory
, Trading Company
Stainless Steel Sheet , Copper Sheet , Stainless Steel Coil , Aluminium Plate , Carbon Steel Plate
OEM, ODM, Own Brand
ISO 9001, BSCI, ASME
![Hebei Shengtian Pipe-Fitting Group Co., Ltd.](https://www.micstatic.com/mic-search/img/com-logo.png?_v=1718945709819)
Hebei Shengtian Pipe-Fitting Group Co., Ltd.
![China Supplier - Diamond Member](https://www.micstatic.com/common/img/icon/diamond_member_16.png?_v=1718945709819)
Suppliers with verified business licenses
5.0
![Plant Area](https://www.micstatic.com/mic-search/img/area.png?_v=1718945709819)
Plant Area
![Number of Employees](https://www.micstatic.com/mic-search/img/employee.png?_v=1718945709819)
Number of Employees
Manufacturer/Factory
, Trading Company
Steel Plate; Steel Pipe
Own Brand
ISO9001:2015, ISO14001:2015, ISO45001:2018
![Jiangyin Longyu Stainless Steel Pipe Industry Co., Ltd](https://www.micstatic.com/mic-search/img/com-logo.png?_v=1718945709819)
Jiangyin Longyu Stainless Steel Pipe Industry Co., Ltd
![China Supplier - Diamond Member](https://www.micstatic.com/common/img/icon/diamond_member_16.png?_v=1718945709819)
Suppliers with verified business licenses
5.0
![Plant Area](https://www.micstatic.com/mic-search/img/area.png?_v=1718945709819)
Plant Area
![Number of Employees](https://www.micstatic.com/mic-search/img/employee.png?_v=1718945709819)
Number of Employees
Manufacturer/Factory
, Trading Company
Pipe , Steel Pipe , Stainless Steel Pipe , Seamless Stainless Steel Pipe , Precision Stainless Steel Pipe
ODM, OEM, Own Brand
ISO9001:2015
Manufacturer/Factory
Steel Pipe , Steel Plate , Steel Coil , Rebar , Profile
OEM, ODM
Response Time≤3h
Manufacturer/Factory
, Trading Company
Cold Drawn Precision Seamless Tube , Profiled Tube , Alloy Steel Tubes , Rectangular Pipe , Steel Pipe Cutting
OEM, ODM
ISO 9001
![Wanshida Steel (Shandong) Co., Ltd.](https://www.micstatic.com/mic-search/img/com-logo.png?_v=1718945709819)
Wanshida Steel (Shandong) Co., Ltd.
![China Supplier - Diamond Member](https://www.micstatic.com/common/img/icon/diamond_member_16.png?_v=1718945709819)
Suppliers with verified business licenses
5.0
![Plant Area](https://www.micstatic.com/mic-search/img/area.png?_v=1718945709819)
Plant Area
![Number of Employees](https://www.micstatic.com/mic-search/img/employee.png?_v=1718945709819)
Number of Employees
Trading Company
PPGI , Galvanized Coil , Galvanized Pipe , Carbon Steel Coil , Carbon Steel Plate
ODM, Own Brand
Nil
![Tianjin RuiTong Iron & Steel Co., LTD.](https://www.micstatic.com/mic-search/img/com-logo.png?_v=1718945709819)
Tianjin RuiTong Iron & Steel Co., LTD.
![China Supplier - Diamond Member](https://www.micstatic.com/common/img/icon/diamond_member_16.png?_v=1718945709819)
Suppliers with verified business licenses
5.0
![Plant Area](https://www.micstatic.com/mic-search/img/area.png?_v=1718945709819)
Plant Area
![Number of Employees](https://www.micstatic.com/mic-search/img/employee.png?_v=1718945709819)
Number of Employees
Manufacturer/Factory
Erw Steel Pipe , Galvanised Steel Pipe , Square and Rectangular Pipe , Spiral Steel Pipe
Own Brand, ODM, OEM
ISO9001:2015
![Tianjin Deer Supply Chain Management Co., Ltd.](https://www.micstatic.com/mic-search/img/com-logo.png?_v=1718945709819)
Tianjin Deer Supply Chain Management Co., Ltd.
![China Supplier - Diamond Member](https://www.micstatic.com/common/img/icon/diamond_member_16.png?_v=1718945709819)
Suppliers with verified business licenses
5.0
![Plant Area](https://www.micstatic.com/mic-search/img/area.png?_v=1718945709819)
Plant Area
![Number of Employees](https://www.micstatic.com/mic-search/img/employee.png?_v=1718945709819)
Number of Employees
Manufacturer/Factory
, Trading Company
Prepainted Steel Coil , PPGI/PPGL , PPGI Slitted Coils , Galvanized Steel Coils , Galvanized Steel Strips
ODM, OEM
Nil
![Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd.](https://www.micstatic.com/mic-search/img/com-logo.png?_v=1718945709819)
Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd.
![China Supplier - Gold Member](https://www.micstatic.com/common/img/icon/gold-member.png?_v=1718945709819)
Suppliers with verified business licenses
4.0
![Plant Area](https://www.micstatic.com/mic-search/img/area.png?_v=1718945709819)
Plant Area
![Number of Employees](https://www.micstatic.com/mic-search/img/employee.png?_v=1718945709819)
Number of Employees
Manufacturer/Factory
, Trading Company
Square and Rectangular Steel Tube/Pre-Galvanized Pipes/Hot Rolled Steel Pipe/ERW Steel Pipe/Hot Dipped Galvanized Pipes
ODM, OEM, Own Brand
ISO9001:2015, ISO14001:2015
![Tianjin Huilifeng Anti-Corrosion and Insulation Steel Pipe Group Co., Ltd.](https://www.micstatic.com/mic-search/img/com-logo.png?_v=1718945709819)
Tianjin Huilifeng Anti-Corrosion and Insulation Steel Pipe Group Co., Ltd.
![China Supplier - Gold Member](https://www.micstatic.com/common/img/icon/gold-member.png?_v=1718945709819)
Suppliers with verified business licenses
4.0
![Plant Area](https://www.micstatic.com/mic-search/img/area.png?_v=1718945709819)
Plant Area
![Number of Employees](https://www.micstatic.com/mic-search/img/employee.png?_v=1718945709819)
Number of Employees
Manufacturer/Factory
, Trading Company
3PE Steel Pipe , 3PE Anticorrosive Steel Pipe , 3PP Coated Pipeline , Epoxy Coated Pipeline , Pipe
OEM, Own Brand
ISO9001:2015, ISO14001:2015, ISO45001:2018 certificate
![Wenzhou Sixmeters Steel Industrial Co., Ltd](https://www.micstatic.com/mic-search/img/com-logo.png?_v=1718945709819)
Wenzhou Sixmeters Steel Industrial Co., Ltd
![China Supplier - Gold Member](https://www.micstatic.com/common/img/icon/gold-member.png?_v=1718945709819)
Suppliers with verified business licenses
4.0
![Plant Area](https://www.micstatic.com/mic-search/img/area.png?_v=1718945709819)
Plant Area
![Number of Employees](https://www.micstatic.com/mic-search/img/employee.png?_v=1718945709819)
Number of Employees
Manufacturer/Factory
, Trading Company
Stainless Steel Tube , Stainless Steel Flange , Stainless Steel Tube Joint , Stainless Steel Tube Accessory
ODM, OEM
BRC
![Cangzhou Chengsheng Pipeline Equipment Co., Ltd.](https://www.micstatic.com/mic-search/img/com-logo.png?_v=1718945709819)
Cangzhou Chengsheng Pipeline Equipment Co., Ltd.
![China Supplier - Gold Member](https://www.micstatic.com/common/img/icon/gold-member.png?_v=1718945709819)
Suppliers with verified business licenses
4.0
![Plant Area](https://www.micstatic.com/mic-search/img/area.png?_v=1718945709819)
Plant Area
![Number of Employees](https://www.micstatic.com/mic-search/img/employee.png?_v=1718945709819)
Number of Employees
Trading Company
Metal Part , Steel Pipe , Pipe Fitting
ODM, OEM
Response Time≤3h
Manufacturer/Factory
, Trading Company
, Group Corporation
Steel Plate , Steel Pipe , Galvanized Products , H Beam , Stainless Steel Plate
OEM
ISO 9001, ISO 9000
![Shandong Hongtai Metal Products Co., Ltd.](https://www.micstatic.com/mic-search/img/com-logo.png?_v=1718945709819)
Shandong Hongtai Metal Products Co., Ltd.
![China Supplier - Diamond Member](https://www.micstatic.com/common/img/icon/diamond_member_16.png?_v=1718945709819)
Suppliers with verified business licenses
5.0
Manufacturer/Factory
Galvanized Steel Coile , PPGI , Corrugated Sheet , Stainless Steel Sheet , Stainless Steel Pipe
OEM, ODM
ISO 9001, ISO 9000, ISO 20000
Manufacturer/Factory
, Trading Company
Hot Rolled Steel Coils , Cold Rolled Steel Coils , Galvanized Aluminum Magnesium Steel Coils , Galvanized Steel Sheet , Pre Painted Steel Shed
OEM
ISO 9001, ISO 9000, ISO 20000
Manufacturer/Factory
, Trading Company
Cold Rolled Steel Products , Galvanized Steel Products , Carbon Steel Products , Stainless Steel Products , Hot Rolled Steel Products
Own Brand
ISO 9001, ISO 9000