Home Supplier Discovery Metallurgy, Mineral & Energy Steel Pipe & Tube Oil Tubing Coupling Factories & Companies
Total 452 oil tubing coupling factories & companies found with 1,356 products. Source high quality oil tubing coupling from our great selection of reliable oil tubing coupling manufacturing factories.

Tianjin Hongxin International Trade Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory
Main Products: Steel Pipe , Galvanized Steel Pipe , Galvanized Steel Coil , Black Steel Pipe , Light Gage Steel Joist
Mgmt. Certification:
ISO 9001
Factory ownership: Limited Company
R&D Capacity: Own Brand
Location: Tianjin, Tianjin

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

Zhong Neng Steel Union (qingdao) Heavy Industry Co., ...

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company , Other , Group Corporation
Main Products: Carbon Steel , Stainless Steel , Galvanized Steel , Aluminium Alloy , PPGI&Gl
Mgmt. Certification:
ISO 9001, ISO 14001, BRC
Factory ownership: Limited Company
R&D Capacity: OEM, ODM
Location: Qingdao, Shandong

Kunlun Stainless Steel Group

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company , Group Corporation
Main Products: Stainless Steel Plate , Stainless Steel Coil , Stainless Steel Strip , Stainless Steel Bar , Stainless Steel Pipe
Mgmt. Certification:
ISO 9001, ISO 14001
Factory ownership: Limited Company
R&D Capacity: OEM, ODM, Own Brand
Location: Xi'an, Shaanxi

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

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

ZYfire Hose Corporation

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Fire Hose , Agriculture Hose , Industrial Rubber Hose , Suction Hose , Frac Hose
Mgmt. Certification:
ISO9001:2015, ISO14001:2015, ISO45001:2016, ISO50001:2018, GB/T 29490-2013...
Factory ownership: Limited Company
R&D Capacity: Own Brand, ODM, OEM
Location: Taizhou, Jiangsu

Suzhou Volsun Electronics Technology Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Cold Shrink Tube , Silicone Rubber Overhead Line Cover , Silicone Fiberglass Sleeve , Thermal Conductive Silicone Potting Compound , Silicone Thermal Pad
Mgmt. Certification:
ISO9001:2015, ISO14001:2015, ISO45001:2016
Factory ownership: Limited Company
R&D Capacity: Own Brand, ODM, OEM
Location: Suzhou, Jiangsu

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

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

TIGER RUBBER AND PLASTIC CO.,LTD

China Supplier - Gold MemberGold Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Hydraulic Hose , Industrial Hose , Rubber Hose High Pressure Hose Automobile Hose , Fuel Hose Water Hose Air Hose Oil Hose , Washer Hose Gasoline Hose
Mgmt. Certification:
ISO 9001, ISO 9000, ISO 14001, HSE
Factory ownership: Limited Company
R&D Capacity: OEM, ODM, Own Brand
Location: Hengshui, Hebei

Hunan Shunfu Metal Material Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Trading Company
Main Products: Steel Pipe
Factory ownership: Limited Company
R&D Capacity: ODM, OEM
Location: Changsha, Hunan
Production Lines: 4

Shandong Jianshou Steel Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory
Main Products: Stainless Steel Plate , Aluminium Plate , Steel Sheet , Stainless Steel Sheet , Steel Pipe
Mgmt. Certification:
ISO 9001, ISO 9000, ISO 14000, OHSAS/ OHSMS 18001, IATF16949...
R&D Capacity: OEM, ODM
Location: Qingdao, Shandong
Production Lines: 3

ZHUJI HENGCHUAN TRADING CO., LTD.

China Supplier - Gold MemberGold Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: High Speed Conveyor Roller Tube Precision Tube , Bearing Housing Precision Stamping Standard , Conveyor Roller Shaft Cold Drawn Bar , Conveyor Frame Module Drive Carry , Conveyor Idler Tube
Mgmt. Certification:
ISO 9001
Factory ownership: Limited Company
R&D Capacity: OEM
Location: Shaoxing, Zhejiang

Comflex Industrial Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory
Main Products: Flexible Metal Hose , Expansion Joint , Metal Bellow Forming Machine , Metal Hose Forming Machine , Tube Welding Machine
Mgmt. Certification:
ISO 9001
Factory ownership: Limited Company
R&D Capacity: OEM, ODM
Location: Wuxi, Jiangsu

Shandong fulaite Steel Group Co., Ltd

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

Anping County Xinlu Wire Mesh Products Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Wedge Wire Screen , Water Well Screen , Stainless Steel Filter Pipe , Flat Wedge Wire Panel , Sieve Bend Screen
Mgmt. Certification:
ISO 9001, ISO 9000
Factory ownership: Limited Company
R&D Capacity: ODM, OEM
Location: Hengshui, Hebei

Wuxi Cheng Yue Metal Materials Co., Ltd

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

Shandong Hongyan Metal Material Co., Ltd.

China Supplier - Diamond MemberDiamond Member
Business Type: Trading Company
Main Products: Galvanized Coil , PPGL/PPGI , Carbon Steel Coil , Carbon Steel Pipe , Stainless Steel Coil
Mgmt. Certification:
ISO 9001
Factory ownership: Limited Company
R&D Capacity: ODM, OEM
Location: Jinan, Shandong

TIANJIN RELONG IMPORT & EXPORT CO., LTD.

China Supplier - Diamond MemberDiamond Member
Business Type: Manufacturer/Factory , Trading Company
Main Products: Galvanized Steel Coil Sheet , Steel Coil , Roofing Sheet , Aluzinc Steel Coils , Galvanized Steel Pipe
Mgmt. Certification:
ISO 9001
Factory ownership: Limited Company
R&D Capacity: OEM, ODM
Location: Tianjin, Tianjin
Items per Page: 10 | 30 | 50

Category

Industrial Equipment & Components (284) Manufacturing & Processing Machinery (282) Metallurgy, Mineral & Energy (244) Tools & Hardware (202) Construction & Decoration (201) Auto, Motorcycle Parts & Accessories (132) Chemicals (85) Electrical & Electronics (61) Instruments & Meters (55) Transportation (48) More

Management Certification

ISO 9001 (284) ISO 14001 (130) ISO 9000 (115) ISO 14000 (62) IATF16949 (58) ISO9001:2015 (56) OHSAS/ OHSMS 18001 (55) HSE (47) Others (45) ISO 20000 (44) QC 080000 (43) BSCI (39) ISO 14064 (37) GMP (34) ISO14001:2015 (34) ASME (26) ISO 13485 (17) ANSI/ESD (17) BRC (14) ISO 22000 (13) ISO 50001 (13) ISO 10012 (13) ISO 17025 (12) QHSE (12) HACCP (11) ISO 29001 (11) BS 25999-2 (11) FSC (11) ISO45001:2016 (11) QSR (10) SHE Audits (10) PAS 28000 (10) GAP (10) SA 8000 (9) LEED (9) IFS (9) HQE (9) EICC (8) AIB (8) WRAP (7) BREEAM (7) SEDEX (7) ISO9001:2008 (4) OHSAS18001:2007 (2) TS16949 (1) More

R&D Capacity

OEM (368) ODM (285) Own Brand (217) Others (11)

Annual Revenue

<1 Million USD (176) 50 ~ 100 Million USD (5) >100 Million USD (5) 10 ~ 50 Million USD (4) 2.5 ~ 5 Million USD (4) 5 ~ 10 Million USD (3) 1 ~ 2.5 Million USD (2) More

No. of Employees

5-50 People (111) 51-200 People (47) Less than 5 People (20) 201-500 People (9) 501-1000 People (3) Above 1000 People (2) More

Province & Region

Shandong (129) Zhejiang (81) Jiangsu (54) Hebei (45) Tianjin (35) Guangdong (25) Henan (19) Shanghai (17) Fujian (6) Liaoning (6) Hunan (6) Shaanxi (6) Hubei (5) Beijing (4) Sichuan (4) Anhui (3) Jiangxi (2) Shanxi (2) Chongqing (1) Heilongjiang (1) Hainan (1) More