Home Supplier Discovery Metallurgy, Mineral & Energy Steel Pipe & Tube Welded Round Tubes Factories & Companies
Total 1,528 welded round tubes factories & companies found with 4,584 products. Source high quality welded round tubes from our great selection of reliable welded round tubes manufacturing factories.

Tianjin RuiTong Iron & Steel Co., LTD.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory
Main Products: Erw Steel Pipe , Galvanised Steel Pipe , Square and Rectangular Pipe , Spiral Steel Pipe
Mgmt. Certification:
ISO9001:2015
Factory ownership: Limited Company
R&D Capacity: Own Brand, ODM, OEM
Location: Tianjin, Tianjin

Songchen Steel Co., Ltd

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory
Main Products: Steel Rebar , Galvanized Steel Coil , Galvanized Steel Sheet , Galvanized Steel Pipe , Corrugated Galvanized Steel Sheet
Mgmt. Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000
Location: Jinan, Shandong

Shandong Runhai Steel Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory
Main Products: Carbon Steel Plate/Coil /Tube/Strip , Stainless Steel Plate/Coil /Tube/Strip , Galvanized Steel Plate/Coil /Tube/Strip , Aluminium Steel Plate/Coil , PPGI
Mgmt. Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
Factory ownership: Limited Company
R&D Capacity: OEM, ODM, Own Brand
Location: Jinan, Shandong

Permanent Steel Manufacturing Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory
Main Products: Seamless Steel Pipe , Piling Pipe , ERW Pipe , Spiral Welded Pipe , LSAW Steel Pipe
Mgmt. Certification:
ISO 9001
Factory ownership: Limited Company
R&D Capacity: ODM
Location: Changsha, Hunan

Shanghai South Geely Industrial Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Aluminized Steel Tube & Pipe , Stainless Steel Tube & Pipe , Galvanized Steel Tube & Pipe , Carbon Steel Tube & Pipe , Bulldozer and Grader
Mgmt. Certification:
ISO 9001, ISO 14001, ISO 20000, OHSAS/ OHSMS 18001, ISO 14064...
Factory ownership: Limited Company
R&D Capacity: OEM, ODM
Location: Shanghai, Shanghai

Huzhou Dingshang Stainless Steel Co., Ltd.

China Supplier - Gold MemberGold Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Welded Stainless Steel Tubes , Stainless Steel Pipes/Tubes , Welded Stainless Steel Pipes , Welded Tube , Heat Exchanger Tubes
Mgmt. Certification:
ISO 9001, ISO 14001, ASME
Factory ownership: Limited Company
R&D Capacity: OEM, Own Brand
Location: Huzhou, Zhejiang

Jiangsu Shengpo New Materials Technology Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Nickel Alloy Strip , Nickel Alloy Tube , Titanium Tube , Titanium Strip , Stainless Steel Tube
Mgmt. Certification:
ISO9001:2015, ISO14001:2015
Factory ownership: Limited Company
R&D Capacity: ODM
Location: Suzhou, Jiangsu

Hebei Shengtian Pipe-Fitting Group Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Steel Plate; Steel Pipe
Mgmt. Certification:
ISO9001:2015, ISO14001:2015, ISO45001:2018
Factory ownership: Limited Company
R&D Capacity: Own Brand
Location: Cangzhou, Hebei

Zhong Neng Steel Union (qingdao) Heavy Industry Co., ...

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company , Other , Group Corporation
Main Products: Carbon Steel , Stainless Steel , Galvanized Steel , Aluminium Alloy , PPGI&Gl
Mgmt. Certification:
ISO 9001, ISO 14001, BRC
Factory ownership: Limited Company
R&D Capacity: OEM, ODM
Location: Qingdao, Shandong

HAN XIN STEEL GROUP CO., LTD

China Supplier - Diamond MemberDiamond Member
Business Type: Trading Company
Main Products: Galvanized Steel Pipe , Galvanized Square Pipe , Seamless Steel Pipe , Profiles , ERW
Mgmt. Certification:
ISO 9001, ISO 17025
Factory ownership: Limited Company
R&D Capacity: ODM, OEM
Location: Shenzhen, Guangdong

Tianjin Hongxin International Trade Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory
Main Products: Steel Pipe , Galvanized Steel Pipe , Galvanized Steel Coil , Black Steel Pipe , Light Gage Steel Joist
Mgmt. Certification:
ISO 9001
Factory ownership: Limited Company
R&D Capacity: Own Brand
Location: Tianjin, Tianjin

Zhejiang Hang Heavy Technology Co., Ltd.

China Supplier - Gold MemberGold Member
Business Type: Manufacturer/Factory
Main Products: Various steel pipes , steel tubes , such as ERW steel pipe , LSAW steel pipe , SSAW steel pipe
Mgmt. Certification:
ISO9001:2008, ISO14001:2004, OHSAS18001:2007
Factory ownership: Limited Company
R&D Capacity: Own Brand
Location: Hangzhou, Zhejiang

FUJIAN TUOCHANG IMPORT AND EXPORT TRADE CO., LTD.

China Supplier - Gold MemberGold Member
Business Type: Trading Company
Main Products: EMT&IMC Conduit , BS31&BS4568 Conduit , Steel Conduit Fittings , Strut Channel , Flexible Conduit
Mgmt. Certification:
ISO 9001
Factory ownership: Limited Company
R&D Capacity: ODM, OEM
Location: Quanzhou, Fujian

Tianjin Youcheng Technology Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Trading Company
Main Products: Galvanized steel pipe , Steel plate , Galvanized steel coil , Steel coil , Angle steel
Mgmt. Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
Factory ownership: Limited Company
R&D Capacity: OEM
Location: Tianjin, Tianjin

Zhejiang Gaosheng Pipe Industry Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company , Group Corporation
Main Products: Seamless Pipe , Seamless Bright Annealing Tube , Stainless Steel , Electroplishing Tube , Pipe Fitting
Mgmt. Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ANSI/ESD...
Factory ownership: Limited Company
R&D Capacity: OEM, Own Brand, manufacture and trading
Location: Huzhou, Zhejiang

Shandong Runhai Stainless Steel Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory
Main Products: Stainless Steel Sheet Plate/Coil /Tube/Strip , Galvanized Steel Sheet Plate/Coil /Tube/Strip , Carbon Steel Sheet Plate/Coil /Tube/Strip , PPGI/PPGL/Gi Coil , Aluminium Steel Sheet Plate/Coil
Mgmt. Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
Factory ownership: Limited Company
R&D Capacity: OEM, ODM, Own Brand
Location: Jinan, Shandong

SHS Stainless Steel Co., Limited

China Supplier - Diamond MemberDiamond Member
Business Type: Trading Company
Main Products: Stainless Steel , Stainless Steel Pipes , Stainless Steel Tubes , Stainless Steel Coils , Stainless Steel Sheets
Mgmt. Certification:
ISO 9001
Factory ownership: Limited Company
R&D Capacity: OEM
Location: Foshan, Guangdong

Jiangsu Hengshuntai Steel Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory
Main Products: Stainless Steel Plate , Stainless Steel Pipe , Stainless Steel Round Bar , Hartz Alloy , Stainless Steel Coil
Mgmt. Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
Factory ownership: Limited Company
R&D Capacity: OEM, ODM
Location: Wuxi, Jiangsu

Shandong Xinhe International Trade Co., Ltd

China Supplier - Diamond MemberDiamond Member
Business Type: Trading Company
Main Products: Steel Pipe , Steel Coil/Plate , Copper Coil/Plate , Aluminum Coil/Plate , Titanium Alloy
Mgmt. Certification:
ISO 9001, ISO 9000, ISO 14001, IATF16949, QC 080000...
Factory ownership: Limited Company
R&D Capacity: OEM, ODM, Own Brand
Location: Liaocheng, Shandong

Wuxi Biying Steel Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Group Corporation
Main Products: Steel Pipe , Steel Plate , Steel Coil , Steel Bar , Galvanized Steel Pipe
Mgmt. Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
Factory ownership: Limited Company
R&D Capacity: OEM
Location: Wuxi, Jiangsu
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Management Certification

ISO 9001 (946) ISO 14001 (413) ISO 9000 (297) ISO9001:2015 (239) ISO 14000 (163) OHSAS/ OHSMS 18001 (147) ISO 20000 (134) IATF16949 (134) BSCI (119) QC 080000 (114) ISO 14064 (107) ISO14001:2015 (105) Others (102) GMP (95) HSE (92) ASME (65) ANSI/ESD (46) ISO 13485 (44) ISO 10012 (42) ISO 17025 (34) ISO 22000 (32) BS 25999-2 (31) ISO 50001 (31) ISO 29001 (29) BRC (28) FSC (27) ISO45001:2016 (26) QHSE (25) EICC (24) HACCP (23) GAP (22) QSR (22) IFS (22) SA 8000 (22) HQE (22) SHE Audits (22) SEDEX (22) PAS 28000 (20) AIB (20) WRAP (20) BREEAM (18) LEED (18) ISO9001:2008 (17) OHSAS18001:2007 (8) ISO14001:2004 (7) IRIS (1) More

R&D Capacity

OEM (1,320) ODM (1,086) Own Brand (785) Others (26)

Annual Revenue

<1 Million USD (677) 10 ~ 50 Million USD (18) 2.5 ~ 5 Million USD (18) 5 ~ 10 Million USD (12) 1 ~ 2.5 Million USD (9) >100 Million USD (7) 50 ~ 100 Million USD (2) More

No. of Employees

5-50 People (430) 51-200 People (197) Less than 5 People (50) 201-500 People (37) 501-1000 People (14) Above 1000 People (3) More

Province & Region

Shandong (410) Jiangsu (242) Zhejiang (210) Hebei (177) Guangdong (166) Tianjin (61) Shanghai (52) Henan (46) Fujian (25) Anhui (25) Hunan (24) Hubei (18) Shaanxi (12) Liaoning (12) Jiangxi (11) Shanxi (9) Beijing (8) Sichuan (8) Chongqing (4) Hainan (3) Jilin (2) Hongkong S.A.R. (1) Yunnan (1) Guizhou (1) More