Home Supplier Discovery Metallurgy, Mineral & Energy Steel Pipe & Tube Square Steel Tubing Factories & Companies
Total 1,279 square steel tubing factories & companies found with 3,837 products. Source high quality square steel tubing from our great selection of reliable square steel tubing manufacturing factories.

Qingdao Hart Industrial Technology Co., Ltd.

China Supplier - Gold MemberGold Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Chromium Carbide Overlay Plate , Smooth Surface Chrome Carbide Overlay Plate , Flux Core Welding Wires , Wear Resistant Steel Plate , Hardfacing Overlay Pipe
Mgmt. Certification:
ISO 9001
Factory ownership: Limited Company
R&D Capacity: OEM, ODM, Own Brand
Location: Qingdao, Shandong

Wenzhou Joneng Valves Co., Limited

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory
Main Products: Butterfly Valve , Diaphragm Valve , Check Valve , Pipe Fitting , Sample Valve
Mgmt. Certification:
ISO 9001
Factory ownership: Limited Company
R&D Capacity: OEM, ODM, Own Brand
Location: Wenzhou, Zhejiang

NINGBO QS MACHINERY INC.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Steel Casting , Investment Casting , Lost Wax Casting , Precision Casting , Steel Cast Parts
Mgmt. Certification:
ISO9001:2015
Factory ownership: Limited Company
R&D Capacity: ODM, OEM
Location: Ningbo, Zhejiang

Nanjing Hengjie Industrial Co., Ltd.

China Supplier - Gold MemberGold Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Stainless Steel Profile , Steel Profile , Cold Drawn Steel Profile , Custom Steel Profile , Cold Drawn Shaped Bar
Mgmt. Certification:
ISO 9001, IATF16949
Factory ownership: Limited Company
R&D Capacity: OEM, ODM
Location: Nanjing, Jiangsu

Jiangsu Kaiye Heavy Industry Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Forging , Steel Forging , Forging Ring , Forging Blank , Forging Shaft
Mgmt. Certification:
ISO9001:2015, ISO14001:2015
Factory ownership: Limited Company
R&D Capacity: ODM, OEM
Location: Suzhou, Jiangsu

Hubei Haiwei Pipe Industry Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: HDPE Pipe , PE Pipe , HDPE Pipe Fittings , HDPE Water Supply Pip , HDPE Drainage Pipe
Mgmt. Certification:
ISO 9001, ISO 14001, OHSAS/ OHSMS 18001
Factory ownership: Limited Company
R&D Capacity: ODM, OEM, Own Brand
Location: Xianning, Hubei

Guangzhou Jinggong Fluid Equipment Co., Ltd.

China Supplier - Gold MemberGold Member
Business Type: Manufacturer/Factory
Main Products: Mirror Steel Pipe Series , Sanitary Pipe Flttings Series , Stainless Steel Ball Valve , Safety Valve , Threaded Pipe Flttings Series
Mgmt. Certification:
ISO 9001, ISO 14001, ISO 50001
R&D Capacity: ODM
Location: Guangzhou, Guangdong
Production Lines: 8

Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: hydraulic steel pipe
Mgmt. Certification:
IATF16949:2016
Factory ownership: Limited Company
Location: Suzhou, Jiangsu
Production Lines: 10

SHENZHEN JINGHUI INDUSTRY LIMITED

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company , Group Corporation
Main Products: Metallized Ceramics , Ceramic Substrates , Pepper Mill Mechanism , Pepper Grinder Mechanism , Ceramic Parts
Mgmt. Certification:
ISO 9001, ISO 14001, BSCI, SA 8000, HACCP
Factory ownership: Limited Company
R&D Capacity: OEM, ODM
Location: Shenzhen, Guangdong

Zhejiang Sanji Stainless Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Stainless Steel Manifold , Metal Stamping , Stainless Steel Stamping , Stainless Steel Chinmney Cowls , Stainless Steel Deep Drawn
Mgmt. Certification:
ISO 9001, IATF16949
R&D Capacity: OEM, ODM
Location: Shaoxing, Zhejiang
Production Lines: Above 10

Liaocheng Shengteng New Material Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Seamless Steel Pipe , Carbon Steel Plate , Galvalume Coil , PPGI Roof , H Beam
Mgmt. Certification:
ISO 9001, BSCI, ANSI/ESD
Factory ownership: Limited Company
R&D Capacity: ODM, OEM
Location: Liaocheng, Shandong

Hangzhou Topele Import And Export Co., Ltd.

China Supplier - Gold MemberGold Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: BS4568 Gi Conduit and Fittings , EMT Conduit and Fittings , Aluminum Conduit and Fittngs , IEC61386 Conduit and Fittings for Chile Market , IMC/Rigid Conduit and Fittings
Mgmt. Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
R&D Capacity: OEM, ODM, Own Brand
Location: Hangzhou, Zhejiang
Production Lines: 5

Jiangsu Deenpu Petrochemical Machinery Co., Ltd

China Supplier - Gold MemberGold Member
Business Type: Manufacturer/Factory
Main Products: API 16A Annular Bop , API 16A RAM Bop , FC Slab Gate Valve , Mud Gate Valve , Plug Valve
Mgmt. Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
Factory ownership: Limited Company
R&D Capacity: OEM, ODM, Own Brand
Location: Yancheng, Jiangsu

Shenzhen Haide Mould Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Mold , Plastic Mould , Plastic Injection Molding , Plastic Injection Mould , Tooling
Mgmt. Certification:
ISO 9001, ISO 14001, IATF16949, ISO 13485
Factory ownership: Limited Company
R&D Capacity: OEM, ODM
Location: Shenzhen, Guangdong

Qingdao Jinggang Building Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Steel Structure Building , Steel Structure Workshop , Steel Structure Warehouse , Steel Structure Hangar , Chicken House
Mgmt. Certification:
ISO 9001, ISO 14001, OHSAS/ OHSMS 18001
Factory ownership: Limited Company
R&D Capacity: Own Brand, ODM, OEM
Location: Qingdao, Shandong

Deruisi Co., Limited.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Stainless Steel Sheet/Plate , Stainless Steel Coil , Stainless Steel Strip , Stainless Steel Pipe/Square Tube , Carbon Steel Plate/Pipe/Square Tube/Coil/Strip
Mgmt. Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
Factory ownership: Limited Company
R&D Capacity: OEM, Own Brand
Location: Wuxi, Jiangsu

Tianzhu Special Steel Co., Ltd

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Stainless Steel Sheet/Plate , Stainless Steel Coil/Strip , Stainless Steel Pipe/Tube , Stainless Steel Bar/Rod , Carbon Steel Sheet/Plate
Mgmt. Certification:
ISO 9001, ISO 9000, BSCI
R&D Capacity: OEM, Own Brand
Location: Wuxi, Jiangsu
Production Lines: Above 10

Zhangjiagang Jun Xiong Metal Products Co., Ltd.

China Supplier - Gold MemberGold Member
Business Type: Trading Company
Main Products: Steel Bar , Cold Drawn Steel Bar , Square Steel Bar , Hexagonal Steel Bar , Alloy Steel Bar
Mgmt. Certification:
ISO 9001
Factory ownership: Limited Company
Location: Suzhou, Jiangsu
Production Lines: 7

Shandong Jiugang Stainless Steel Co., Ltd

China Supplier - Diamond MemberDiamond Member
Business Type: Trading Company
Main Products: Stainless Steel , Carbon Steel , Galvanized
Factory ownership: Limited Company
Location: Jinan, Shandong
Main Markets: Others

Shandong Longhai Steel Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Trading Company
Main Products: Hot Rolled Carbon Steel Coil , Hot Rolled Carbon Steel Sheet , Cold Rolled Carbon Steel Coil , Cold Rolled Carbon Steel Sheet , Galvanized Steel Coil
Mgmt. Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000, OHSAS/ OHSMS 18001...
Factory ownership: Limited Company
R&D Capacity: OEM, ODM
Location: Liaocheng, Shandong
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Category

Manufacturing & Processing Machinery (752) Industrial Equipment & Components (698) Construction & Decoration (629) Metallurgy, Mineral & Energy (596) Tools & Hardware (564) Auto, Motorcycle Parts & Accessories (310) Electrical & Electronics (219) Transportation (135) Instruments & Meters (98) Security & Protection (93) More

Management Certification

ISO 9001 (806) ISO 14001 (316) ISO 9000 (249) ISO9001:2015 (150) IATF16949 (137) ISO 14000 (136) OHSAS/ OHSMS 18001 (120) ISO 20000 (111) BSCI (98) QC 080000 (92) HSE (89) GMP (89) ISO 14064 (82) Others (75) ASME (67) ISO14001:2015 (58) ANSI/ESD (45) ISO 13485 (43) ISO 10012 (33) QHSE (31) BS 25999-2 (31) ISO 17025 (28) ISO 22000 (28) FSC (27) BRC (27) GAP (26) ISO 50001 (26) EICC (23) WRAP (22) HACCP (22) SA 8000 (22) QSR (22) IFS (21) SEDEX (21) ISO 29001 (21) PAS 28000 (21) SHE Audits (19) ISO45001:2016 (19) LEED (19) AIB (19) BREEAM (18) HQE (16) ISO9001:2008 (9) ISO14001:2004 (3) OHSAS18001:2007 (3) TS16949 (1) More

R&D Capacity

OEM (1,064) ODM (861) Own Brand (616) Others (26)

Annual Revenue

<1 Million USD (461) 10 ~ 50 Million USD (15) 2.5 ~ 5 Million USD (13) 5 ~ 10 Million USD (11) 1 ~ 2.5 Million USD (9) >100 Million USD (9) 50 ~ 100 Million USD (5) More

No. of Employees

5-50 People (288) 51-200 People (147) Less than 5 People (29) 201-500 People (28) 501-1000 People (9) Above 1000 People (2) More

Province & Region

Shandong (331) Jiangsu (233) Zhejiang (165) Guangdong (162) Hebei (125) Tianjin (59) Shanghai (47) Henan (37) Anhui (22) Fujian (20) Hunan (18) Shaanxi (14) Hubei (13) Liaoning (10) Beijing (7) Jiangxi (6) Hainan (3) Sichuan (3) Shanxi (2) Taiwan, China (1) Heilongjiang (1) More