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

Shandong Huazhu Metal Manufacture Co., Ltd.

Diamond MemberDiamond Member
Business Type: Trading Company
Main Products: Galvanized Steel Coil , Seamless Steel Pipe , Roofing Sheet , PPGI , Stainless Steel Pipe
Mgmt. Certification:
Others
Factory ownership: Limited Company
Location: Jinan, Shandong
Main Markets: South America , Southeast Asia/ Mideast , Africa

Dalian Zhong Hai Tian Plastic Products Co., Ltd.

Gold MemberGold Member
Business Type: Manufacturer/Factory & Trading Company
Main Products: Plastic Profiles(Plastic Tube , Plastic Wear Strips , Plastic Cover Strips , PVC Fence , Price Tag Holder)
Mgmt. Certification:
ISO9001:2015
Factory ownership: Limited Company
R&D Capacity: ODM, OEM
Location: Dalian, Liaoning

Tianjin Tianyingtai Steel Pipe Co., Ltd.

Diamond MemberDiamond Member
Main Products: Galvanized Pipe , Scaffolding Shoring Props , ERW Welded Steel Pipe , Black Square Tube , Hollow Section
Factory ownership: Limited Company
Location: Tianjin, Tianjin
Main Markets: North America , South America , Eastern Europe , Southeast Asia , Africa , Oceania , Mid East , Eastern Asia , Western Europe

Tianjin RuiTong Iron & Steel Co., LTD.

Diamond MemberDiamond Member
Business Type: Manufacturer/Factory & Trading Company
Main Products: ERW welded steel round pipe , Hot-dipped galvanized steel pipe , Steel pipe-painted , ERW welded square and rectangular pipe , Pre-galvanized steel pipe
Mgmt. Certification:
ISO9001:2015, ISO45001:2018, ISO14001
Factory ownership: Limited Company
R&D Capacity: Own Brand, ODM, OEM
Location: Tianjin, Tianjin

Liaocheng Jiujiang Machinery Manufacturing Co., Ltd.

Diamond MemberDiamond Member
Business Type: Manufacturer/Factory & Trading Company
Main Products: boiler metal parts , stainless steel pipe coils , steel structures.
Mgmt. Certification:
ISO9001:2015, ISO14001
Factory ownership: Limited Company
R&D Capacity: Own Brand, ODM, OEM
Location: Liaocheng, Shandong

TIANJIN NANXIANG STEEL STRIP PROCESSING CO., LTD.

Diamond MemberDiamond Member
Business Type: Manufacturer/Factory & Trading Company
Main Products: Flat bar , Angle bar , H Beam , Galvanized coil , PPGI
Factory ownership: Limited Company
R&D Capacity: ODM, OEM
Location: Tianjin, Tianjin
Production Lines: 1

Credit Import and Export Trading Co., Ltd.

Diamond MemberDiamond Member
Business Type: Manufacturer/Factory & Trading Company
Main Products: Seamless Steel Pipe , Galvanized Steel Pipe , ERW Steel Pipe , SSAW and LSAW Steel Pipe , Steel Coil
Factory ownership: Limited Company
R&D Capacity: Own Brand, ODM, OEM
Location: Tianjin, Tianjin
Production Lines: 4

Tianjin Zhonghe Weiye Machinery Manufacturing Co., Ltd.

Diamond MemberDiamond Member
Business Type: Manufacturer/Factory & Trading Company
Main Products: Steel Storage Tank , Steel structure , Steel handrail balustrate , Dispenser , Embedded steel plate for building
Factory ownership: Limited Company
R&D Capacity: ODM, OEM
Location: Tianjin, Tianjin
Main Markets: Southeast Asia/ Mideast

Tianjin Jinnuo Steel Pipe Co., Ltd.

Diamond MemberDiamond Member
Business Type: Manufacturer/Factory & Trading Company
Main Products: ERW steel pipe , Galvanized steel pipe , Seamless steel pipe , Steel plate
Factory ownership: Limited Company
R&D Capacity: Own Brand, ODM, OEM
Location: Tianjin, Tianjin
Main Markets: North America , South America , Europe , Southeast Asia/ Mideast , Africa , East Asia(Japan/ South Korea) , Australia , Domestic

Tianjin Honest Steel Co., Ltd.

Diamond MemberDiamond Member
Main Products: Steel Coil , Steel Prop , Hot Rolled Coil , Cold Rolled Coil , Stainless Steel Coil
Factory ownership: Limited Company
Location: Tianjin, Tianjin
Main Markets: North America , South America , Eastern Europe , Southeast Asia , Africa , Oceania , Mid East , Eastern Asia , Western Europe
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Category

Construction & Decoration (1,538) Manufacturing & Processing Machinery (1,480) Industrial Equipment & Components (1,479) Tools & Hardware (1,339) Metallurgy, Mineral & Energy (819) Auto, Motorcycle Parts & Accessories (739) Electrical & Electronics (574) Light Industry & Daily Use (533) Furniture (391) Security & Protection (235) More

Management Certification

ISO9001:2015 (534) ISO 9001 (442) ISO 14001 (408) ISO45001:2018 (225) Others (181) ISO 9000 (120) ISO 14000 (61) IATF16949 (52) ISO 20000 (48) OHSAS/ OHSMS 18001 (46) BSCI (46) GMP (43) QC 080000 (34) ISO 14064 (26) HSE (24) ISO 50001 (18) ISO14001:2015 (15) ASME (11) IFS (11) ANSI/ESD (10) ISO 13485 (10) EICC (9) BRC (9) SEDEX (9) FSC (8) QSR (7) SA 8000 (7) LEED (7) HACCP (7) AIB (6) SHE Audits (6) GAP (6) QHSE (6) ISO 10012 (6) ISO 22000 (6) PAS 28000 (5) HQE (5) BS 25999-2 (5) ISO45001:2016 (5) ISO 17025 (5) WRAP (4) BREEAM (4) ISO 29001 (4) ISO9001:2008 (3) More

R&D Capacity

OEM (2,543) ODM (2,511) Own Brand (1,283) Others (39)

Annual Revenue

<1 Million USD (1,565) 10 ~ 50 Million USD (43) 2.5 ~ 5 Million USD (37) 1 ~ 2.5 Million USD (32) 5 ~ 10 Million USD (29) 50 ~ 100 Million USD (17) >100 Million USD (15) More

No. of Employees

5-50 People (1,528) 51-200 People (540) Less than 5 People (273) 201-500 People (123) 501-1000 People (28) Above 1000 People (9) More

Province & Region

Guangdong (676) Shandong (585) Zhejiang (493) Hebei (385) Jiangsu (372) Fujian (105) Shanghai (104) Tianjin (96) Henan (89) Anhui (45) Hubei (35) Hunan (34) Jiangxi (29) Liaoning (23) Sichuan (20) Beijing (19) Shanxi (14) Shaanxi (12) Chongqing (10) Guangxi (5) Hongkong S.A.R. (3) Yunnan (2) Gansu (2) Jilin (1) Guizhou (1) Ningxia (1) Hainan (1) More