Home Supplier Discovery Metallurgy, Mineral & Energy Steel Pipe & Tube Black Square Steel Tube Factories & Companies
Total 2,000+ black square steel tube factories & companies found with 6,000+ products. Source high quality black square steel tube from our great selection of reliable black square steel tube manufacturing factories.

Tianjin Datong Industry and Trade Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Steel Nails/Iron Nail/Screw , Steel Wire/Iron Wire , Wire Mesh , Steel Pipe , Steel Profile/Purlin
Mgmt. Certification:
ISO 9001, ISO 14001, OHSAS/ OHSMS 18001
Factory ownership: Limited Company
R&D Capacity: OEM
Location: Tianjin, Tianjin

Zhongye Metal Products (Shandong) Co., Ltd

China Supplier - Diamond MemberDiamond Member
Business Type: Trading Company
Main Products: Aluminum Plate , Aluminum Coil , Aluminium Pipes , Aluminum Bar , Copper Plate
Mgmt. Certification:
Nil
Factory ownership: Limited Company
R&D Capacity: OEM
Location: Liaocheng, Shandong

Shandong Zhuosheng Steel Limited

China Supplier - Diamond MemberDiamond Member
Business Type: Trading Company
Main Products: Steels
Mgmt. Certification:
ISO 9001, ISO 9000, ISO 14000, ISO 20000, OHSAS/ OHSMS 18001...
Factory ownership: Limited Company
R&D Capacity: ODM, OEM
Location: Jinan, Shandong

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

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

Tianjin Honest Steel Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory
Main Products: Steel Prop , Steel Support , Hot Rolled Coil , Cold Rolled Coil , Stainless Steel Coil
Mgmt. Certification:
ISO 9001, BSCI
Factory ownership: Limited Company
R&D Capacity: Own Brand
Location: Tianjin, Tianjin

Qingdao Wanrunda Imp and Exp Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Galvanized Steel Pipe , Steel Hollow Section , Angle Steel , Galvanized Steel Coil , Steel Hanger Strap Fha Strap Nail Boca Plate
Mgmt. Certification:
ISO 9001, ISO 9000
Factory ownership: Limited Company
R&D Capacity: OEM
Location: Qingdao, Shandong

Shandong Duohe Import and Export Co., Ltd

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Stainless Steel , Galvanized Steel , Alloy Steel , Carbon Steel , Copper
Mgmt. Certification:
ISO 9001, IATF16949
Factory ownership: Private Owner
R&D Capacity: OEM, ODM
Location: Qingdao, Shandong

Shandong Great Steel Co., Ltd

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory
Main Products: Welded Steel Pipe , Ductile Iron Pipe , Seamless Steel Pipe
Mgmt. Certification:
ISO 9001, ISO 14064
Factory ownership: Limited Company
R&D Capacity: Own Brand, ODM, OEM
Location: Liaocheng, Shandong

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
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Category

Construction & Decoration (1,072) Manufacturing & Processing Machinery (1,033) Industrial Equipment & Components (960) Tools & Hardware (959) Metallurgy, Mineral & Energy (687) Auto, Motorcycle Parts & Accessories (524) Furniture (469) Electrical & Electronics (403) Light Industry & Daily Use (310) Transportation (303) More

Management Certification

ISO 9001 (1,405) ISO 14001 (588) ISO 9000 (430) ISO9001:2015 (285) ISO 14000 (243) BSCI (240) IATF16949 (214) OHSAS/ OHSMS 18001 (193) ISO 20000 (186) QC 080000 (158) ISO 14064 (153) Others (145) ISO14001:2015 (135) GMP (133) HSE (115) ASME (66) ISO 13485 (65) FSC (60) ANSI/ESD (58) ISO 10012 (51) ISO 22000 (46) SEDEX (44) BRC (42) ISO 50001 (41) ISO 17025 (41) QHSE (40) BS 25999-2 (39) ISO 29001 (37) HACCP (35) IFS (34) EICC (34) SA 8000 (33) PAS 28000 (32) GAP (32) WRAP (31) LEED (31) ISO45001:2016 (29) AIB (29) HQE (29) QSR (27) SHE Audits (25) BREEAM (24) ISO9001:2008 (13) OHSAS18001:2007 (6) ISO14001:2004 (6) More

R&D Capacity

OEM (1,959) ODM (1,647) Own Brand (1,147) Others (50)

Annual Revenue

<1 Million USD (855) 10 ~ 50 Million USD (29) 2.5 ~ 5 Million USD (27) 5 ~ 10 Million USD (24) 1 ~ 2.5 Million USD (19) >100 Million USD (12) 50 ~ 100 Million USD (6) More

No. of Employees

5-50 People (519) 51-200 People (291) 201-500 People (54) Less than 5 People (51) 501-1000 People (23) Above 1000 People (6) More

Province & Region

Guangdong (508) Shandong (486) Zhejiang (295) Jiangsu (284) Hebei (248) Tianjin (78) Shanghai (69) Fujian (63) Henan (54) Hunan (32) Anhui (29) Jiangxi (17) Shaanxi (15) Sichuan (14) Liaoning (14) Hubei (13) Beijing (12) Chongqing (9) Shanxi (6) Hainan (4) Ningxia (1) Guizhou (1) Hongkong S.A.R. (1) Yunnan (1) More