Home Supplier Discovery Metallurgy, Mineral & Energy Steel Pipe & Tube Structural Square Tubing Factories & Companies
Total 344 structural square tubing factories & companies found with 1,032 products. Source high quality structural square tubing from our great selection of reliable structural square tubing manufacturing factories.

Zhejiang Hang Heavy Technology Co., Ltd.

China Supplier - Gold MemberGold Member
Business Type: Manufacturer/Factory
Main Products: Steel Pipe , Steel Tube , ERW Steel Pipe , LSAW Steel Pipe , SSAW Steel Pipe
Mgmt. Certification:
ISO9001:2008, ISO14001:2004, OHSAS18001:2007
Factory ownership: Limited Company
R&D Capacity: OEM, ODM, Own Brand
Location: Hangzhou, Zhejiang

Yangtze Steel Group (China) Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Trading Company
Main Products: Seamless Steel Pipe , Welded Pipe , Galvanized Steel Coil/Sheet , Carbon Steel Coil/Sheet , Steel Profile
Factory ownership: Limited Company
R&D Capacity: OEM, ODM, Own Brand
Location: Liaocheng, Shandong
Production Lines: Above 10

Qinhuangdao Shengze New Material Technology Co., Ltd.

China Supplier - Gold MemberGold Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: FRP Pultrusion products , SMC Mold Pressing Product , Hand Layup Products , Vacuum Infusion Processing Products , RTM Product
Mgmt. Certification:
ISO9001:2015, IATF16949
Factory ownership: Limited Company
R&D Capacity: ODM, OEM
Location: Qinhuangdao, Hebei

Shanghai Changzeng Metal Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Square Tube , PPGI , Galvanized Steel Sheet Coil , Cold Rolled Steel Sheet Coil , Stainless Steel Sheet
Mgmt. Certification:
ISO 9001, ISO 9000, IATF16949, ISO 29001
Factory ownership: Limited Company
R&D Capacity: OEM, ODM
Location: Shanghai, Shanghai

Zhangjiagang Fumach Aluminum Material Co., Ltd.

China Supplier - Gold MemberGold Member
Business Type: Manufacturer/Factory
Main Products: Aluminum Heat Sink , Aluminum Extrusion LED Pipe , Aluminum Extrusion Frame , Aluminum Extrusion Window Profiles , Aluminum 6063 T5 LED Tube/ Hollow
Mgmt. Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
Factory ownership: Limited Company
R&D Capacity: OEM, Own Brand
Location: Suzhou, Jiangsu

Henan Chalco Aluminum Fabrication Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Aluminum Forgings , Industrial Aluminum Profile , Precision Aluminum Plate/Sheet , Aluminum Coil/Strip , Aluminum Flat Bar/Busbar
Mgmt. Certification:
ISO 9001
Factory ownership: Limited Company
R&D Capacity: OEM, ODM, Own Brand
Location: Zhengzhou, Henan

Shandong Heng Steel Group Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Group Corporation
Main Products: Galvanized Steel Coil/Sheet/Strip , Galvalume Steel Coil/Sheet/Strip , PPGI/PPGL Corrugated Steel Sheet , PPGI/PPGL Steel Coil , Alloy Steel Plate
Mgmt. Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
Factory ownership: Limited Company
R&D Capacity: OEM, ODM, Own Brand, agent
Location: Qingdao, Shandong

Shuangjiu (Shandong) Steel Group Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Galvanized Steel Coil/Strip , Galvanized Steel Plate , Galvanized Steel Pipe , Steel Wire , Stainless Steel Plate
Mgmt. Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
R&D Capacity: OEM, ODM
Location: Jinan, Shandong
Production Lines: 6

Tianjin Yitejia Steel Sales Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company , Other , Group Corporation
Main Products: Stainless Steel , Steel Plate , Alloy Steel , Aluminum Sheet , Copper Sheet
Mgmt. Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
Factory ownership: Limited Company
R&D Capacity: OEM, ODM, Own Brand
Location: Tianjin, Tianjin

LIAOCHENG HUAJIAN STEEL CO., LTD.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Wear Resistance Steel Plate , Round Bar , Seamless Steel Pipe , Hot Rolled Steel Plate , Ms Checkered Steel Plate
Mgmt. Certification:
ISO 9001, ISO 9000
Factory ownership: Limited Company
R&D Capacity: OEM, ODM, Own Brand
Location: Liaocheng, Shandong

Flk Pipeline Co., Limited

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company , Group Corporation
Main Products: Ss Pipe , Stainless Steel Seamless Steel Pipe , Steel Pipe , Welded Tube , Stainless Steel Thick-Walled Tube
Mgmt. Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
Factory ownership: Limited Company
R&D Capacity: OEM, ODM
Location: Wenzhou, Zhejiang

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

Hebei Sinta Trading Co., Ltd

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: FRP Duct Rodder , Cooling Tower Fill , Water Tank , PVC Fills for Brand Cooling Tower , Manhole Cover
Mgmt. Certification:
ISO 9001, IATF16949
Factory ownership: Limited Company
R&D Capacity: OEM, ODM
Location: Hengshui, Hebei

Shanghai Ali-Mama Steel Trading Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Steel Tube and Pipe , Steel Construction , Carbon Steel Pipe , Stainless Steel Pipe , PVC Pipe and PE Pipe
Mgmt. Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000, OHSAS/ OHSMS 18001...
Factory ownership: Limited Company
R&D Capacity: OEM, ODM
Location: Shanghai, Shanghai

Shandong Tianrun High Quality Steel Metal Materials ...

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory
Main Products: Steel Plates , Steel Coil , Galvanized Steel Coil , Galvanized Steel Pipe , Color Coated Coil
Mgmt. Certification:
ISO 9001
Factory ownership: Limited Company
R&D Capacity: OEM, ODM
Location: Liaocheng, Shandong

Changzhou Tenjan Steel Tube Co., Ltd.

China Supplier - Gold MemberGold Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Seamless Steel Pipe , Seamless Steel Tube , Carbon Steel Pipe , Precision Steel Pipe , Alloy Steel Pipe
Mgmt. Certification:
ISO9001:2015
Factory ownership: Limited Company
R&D Capacity: ODM, OEM
Location: Changzhou, Jiangsu

Weihai Snowwing Outdoor Equipment Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Carbon Fiber
Mgmt. Certification:
Enterprise Intellectual Property Management System Certificate
Factory ownership: Limited Company
R&D Capacity: OEM, ODM
Location: Weihai, Shandong
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Category

Metallurgy, Mineral & Energy (251) Construction & Decoration (209) Manufacturing & Processing Machinery (183) Industrial Equipment & Components (171) Tools & Hardware (140) Auto, Motorcycle Parts & Accessories (66) Electrical & Electronics (47) Security & Protection (46) Transportation (45) Chemicals (27) More

Management Certification

ISO 9001 (233) ISO 14001 (110) ISO 9000 (91) ISO 14000 (60) IATF16949 (48) ISO 20000 (47) OHSAS/ OHSMS 18001 (46) BSCI (43) HSE (42) QC 080000 (41) ISO9001:2015 (39) ISO 14064 (37) GMP (31) ASME (29) Others (21) ANSI/ESD (19) ISO14001:2015 (18) ISO 10012 (15) ISO 22000 (14) BS 25999-2 (14) ISO 17025 (14) BRC (13) SA 8000 (13) GAP (12) FSC (12) ISO 13485 (12) QHSE (12) HACCP (11) EICC (11) QSR (10) ISO 29001 (10) SHE Audits (10) AIB (9) SEDEX (9) IFS (9) BREEAM (9) LEED (9) ISO 50001 (9) WRAP (9) PAS 28000 (8) HQE (8) ISO45001:2016 (4) ISO9001:2008 (3) ISO14001:2004 (2) OHSAS18001:2007 (1) More

R&D Capacity

OEM (289) ODM (239) Own Brand (134) Others (8)

Annual Revenue

<1 Million USD (129) 10 ~ 50 Million USD (4) 5 ~ 10 Million USD (3) 50 ~ 100 Million USD (2) >100 Million USD (1) 2.5 ~ 5 Million USD (1) More

No. of Employees

5-50 People (85) 51-200 People (27) Less than 5 People (12) 201-500 People (7) 501-1000 People (5) Above 1000 People (1) More

Province & Region

Shandong (134) Jiangsu (57) Tianjin (32) Guangdong (31) Hebei (29) Zhejiang (13) Shanghai (11) Hunan (8) Shaanxi (8) Henan (7) Fujian (4) Anhui (3) Liaoning (2) Hubei (2) Sichuan (1) Beijing (1) Jiangxi (1) More