Home Supplier Discovery Metallurgy, Mineral & Energy Steel Pipe & Tube Longitudinal Pipes Factories & Companies
Total 1,010 longitudinal pipes factories & companies found with 3,030 products. Source high quality longitudinal pipes from our great selection of reliable longitudinal pipes manufacturing factories.

Shandong Bomis New Material Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Cold Rolled Coil and Plate , Galvanized Coil , Galvalume Coil , PPGI PPGL Coil , Galvanized Roofing Sheet
Factory ownership: Limited Company
R&D Capacity: OEM, ODM
Location: Qingdao, Shandong
Production Lines: 6

Shandong Jiugang Metal Products Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Trading Company
Main Products: Stainless Steel Plate , Stainless Steel Coil , Stainless Steel Pipe , Stainless Steel Bar , Carbon Steel Plate
Mgmt. Certification:
ISO9001:2015
Factory ownership: Limited Company
R&D Capacity: OEM, ODM
Location: Jinan, Shandong

Tianjin Xuboyuan Iron & Steel Trading Co., Ltd.

China Supplier - Gold MemberGold Member
Business Type: Trading Company
Main Products: Tinned Strip Coil , Welding electrode
Mgmt. Certification:
ISO 9001
Factory ownership: Limited Company
R&D Capacity: OEM
Location: Tianjin, Tianjin

Qingdao Wefsun Metal Material Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Galvanized Post , Steel Pipe , Steel Plate , Steel Beam , Steel Coil
Mgmt. Certification:
ISO 9001, ISO 9000
Factory ownership: Limited Company
R&D Capacity: Own Brand
Location: Qingdao, Shandong

Baowu Aluminum (Shandong) Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Aluminum Tube , Aluminum Plate , Aluminum Foil , Aluminum Coil , Aluminum Circle
Mgmt. Certification:
ISO 9001
Factory ownership: Limited Company
R&D Capacity: Own Brand
Location: Liaocheng, Shandong

Tianjin Huilifeng Anti-Corrosion and Insulation Steel ...

China Supplier - Gold MemberGold Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: 3LPE Coated Pipe , 3LPP Coated Pipe , Epoxy Coated Pipe , HDPE Pipe , Steel Pipe
Mgmt. Certification:
ISO9001:2015, ISO14001:2015, ISO45001:2018 certificate
Factory ownership: Limited Company
R&D Capacity: Own Brand, ODM, OEM
Location: Tianjin, Tianjin

Jiangsu Jinmingxin Metal Technology Co., Ltd.

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

Hengshui Guangxing Screens Co. Ltd

China Supplier - Gold MemberGold Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Water Well Screen , Pipe Base Screen , Wedge Wire Strainer , Dsm Screen , Well Point Screen
Mgmt. Certification:
ISO 9001
Factory ownership: Limited Company
R&D Capacity: Own Brand
Location: Hengshui, Hebei

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

Zibo Ou Zheng Carbon Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Trading Company
Main Products: Graphite Block , Graphite Plate , Graphite Rod , Graphite Tube , Graphite Crucible
Mgmt. Certification:
ISO9001:2015, ISO14001:2015, ISO45001:2016
Factory ownership: Limited Company
R&D Capacity: OEM
Location: Zibo, Shandong

Hefei Fugu Buliding Material Co., Ltd.

China Supplier - Gold MemberGold Member
Business Type: Manufacturer/Factory
Main Products: PVC Roof Tile , Septic Tank , Grease Trap , Thatch Roof , Anti-Corrosion Polyester Sheet
Mgmt. Certification:
ISO 9001, ISO 14001, OHSAS/ OHSMS 18001
Factory ownership: Limited Company
R&D Capacity: OEM, ODM, Own Brand
Location: Hefei, Anhui

Tangshan Fengkuo Trading Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Trading Company
Main Products: Wire Rod , Hot Rolled Steel Coil , Galvanized Steel Sheet in Coil , PPGI , Steel Railway Track
Mgmt. Certification:
ISO 9001
Factory ownership: Limited Company
R&D Capacity: OEM
Location: Tangshan, Hebei

Shandong Light Fir Machinery Equipment Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: API Pumping Unit Belt Long Stroke Pumping Unit , Blowout Preventer Bop , Power Tongs Manual Tongs Elavator Safety Clamp , Cementing Unit Cementing Truck Workover Rig , Shale Shaker Shale Shaker Screen
Mgmt. Certification:
ISO 9001
Factory ownership: Limited Company
R&D Capacity: OEM, ODM, Own Brand
Location: Dongying, Shandong

Avannto Flow Controls Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory
Main Products: Butterfly Valve , Flange Adaptor , Dismantling Joint , Gate Valve , Check Valve
Mgmt. Certification:
ISO 9001, ASME
Factory ownership: Limited Company
R&D Capacity: OEM, ODM, Own Brand
Location: Beijing, Beijing

Hangzhou Mark Technological Co., Ltd.

China Supplier - Gold MemberGold Member
Business Type: Manufacturer/Factory
Main Products: PPR Pipe , Pex-Al-Pex Pipe , Pex Pipe , PPR Fitting , HDPE Pipe
Mgmt. Certification:
ISO 9001, ISO 14001
Factory ownership: Limited Company
R&D Capacity: OEM, ODM, Own Brand
Location: Hangzhou, Zhejiang

HEBEI HONGCHENG PIPE FITTINGS CO., LIMITED

China Supplier - Gold MemberGold Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Pipe Fitting , Flange , Valve , Carbon Steel Pipe , Gasket
Mgmt. Certification:
ISO 9001, ISO 14001, OHSAS/ OHSMS 18001, HSE, ASME...
Factory ownership: Limited Company
R&D Capacity: OEM, ODM
Location: Shanghai, Shanghai

Qingdao Ironsteel International Trading Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Steel Pipe , PPGI Coil/Sheet , PPGI Roofing Sheet , Galvanized Steel Coil , Galvanized Steel Sheet
Mgmt. Certification:
ISO 9001, ISO 14001, IATF16949, HSE, ANSI/ESD...
Factory ownership: Limited Company
R&D Capacity: OEM, Own Brand
Location: Qingdao, Shandong

Qingdao Kingdaflex Industrial Co., Ltd.

China Supplier - Gold MemberGold Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Hydraulic Hose , Industrial Hose , Fire Sleeve , Air/Water Hose , Oil/Fuel Hose
Mgmt. Certification:
ISO 9001, ISO 9000
Factory ownership: Limited Company
R&D Capacity: OEM, ODM
Location: Qingdao, Shandong

Zhejiang Solerad Environment Technology Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: PPR Pipes And Fittings; Multilayer Pipes And Fittings; Brass Fittings; Brass Ball Valves; Brass Manifolds
Mgmt. Certification:
ISO 9001, ISO 14001, OHSAS/ OHSMS 18001
Factory ownership: Limited Company
R&D Capacity: ODM, Own Brand
Location: Shaoxing, Zhejiang

Shandong Shanshui Special Steel Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Carbon Steel Seamless Pipe , Alloy Seamless Steel Pipe , CR Pipes , Steel Pipe
Mgmt. Certification:
ISO9001:2015
Factory ownership: Limited Company
R&D Capacity: Own Brand, ODM, OEM
Location: Liaocheng, Shandong
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Management Certification

ISO 9001 (635) ISO 14001 (294) ISO 9000 (201) ISO9001:2015 (143) ISO 14000 (115) ISO 20000 (101) OHSAS/ OHSMS 18001 (97) IATF16949 (76) ISO14001:2015 (69) QC 080000 (68) Others (66) HSE (65) ISO 14064 (63) BSCI (59) GMP (54) ASME (49) ANSI/ESD (28) ISO 13485 (28) ISO 22000 (25) ISO 10012 (25) ISO45001:2016 (25) BRC (23) QHSE (23) FSC (23) BS 25999-2 (22) ISO 17025 (21) QSR (21) SA 8000 (21) ISO 50001 (21) GAP (20) LEED (20) ISO 29001 (20) HACCP (19) SHE Audits (19) EICC (19) HQE (18) SEDEX (18) PAS 28000 (17) AIB (17) BREEAM (17) IFS (16) WRAP (16) ISO9001:2008 (11) OHSAS18001:2007 (6) ISO14001:2004 (5) IRIS (1) More

R&D Capacity

OEM (839) ODM (670) Own Brand (552) Others (11)

Annual Revenue

<1 Million USD (408) 2.5 ~ 5 Million USD (17) 10 ~ 50 Million USD (13) 1 ~ 2.5 Million USD (5) 5 ~ 10 Million USD (5) >100 Million USD (4) 50 ~ 100 Million USD (2) More

No. of Employees

5-50 People (274) 51-200 People (112) Less than 5 People (23) 201-500 People (21) 501-1000 People (12)

Province & Region

Shandong (300) Jiangsu (199) Zhejiang (108) Hebei (85) Shanghai (56) Guangdong (55) Henan (43) Tianjin (34) Hubei (21) Anhui (16) Hunan (14) Fujian (13) Beijing (12) Sichuan (10) Liaoning (10) Shaanxi (9) Shanxi (8) Jiangxi (7) Chongqing (6) Hainan (2) Yunnan (1) Guizhou (1) More