About Us

Ningbo Zhenhai Dingli Fastener Screw Co., Ltd. is specilized in high strength Tap end stud, thread rod, thread stud, stud bolt, Tap end stud, Double end stud, heavy hex bolt, structural bolt, hex bolt, set screw, hex nut, and washer, which are extensive used in oil&gas industry, petrochemical industry, power station, steelwork construction and electric&machinery industry.


Our products cover the material grade A193 B7 thread rod, A193 B7 threaded rod, B7 thread rod, B7 threaded rod, B7 stud, B7 stud bolt, B7 thread stud, B7 tap end stud, A193 B7 ta...

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Company Details

Company Name Ningbo Zhenhai Dingli Fastener Screw Co., Ltd.  Registered Capital Unspecified 
Year Established 1998  Number of staff 101~500 employees 
Business Type Manufacturer  Number of R&D staff 10~30 employees 
Brand Name ND  Number of QC staff 10~30 employees 
Annual Sales Volume USD 5,000,001~10,000,000  CFM Ad  

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Export Percentage 70%  Certification  
Core Products Cap screws & Hex bolts; High strength studs and rods; Construction fastener; Petrochemical industry fastener; Double ended studs; High strength Cap screws & Hex bolts;  
Standard IFI-136 2002; IFI-136 2002; ASME DRAFT Revision B18.2.6 2003; ASTM A325 2002; ASME B18.2.1 1996; DIN 6914; ASME B18.3 2002; ASME DRAFT Revision B18.2.6 2003; IFI-136 2002; ASME B18.2.1 1996; ASME B18.2.1 1996; ASME B18.2.1 1996; IFI-115 2002; DIN 2510-5; DIN 6915; DIN 6923; DIN 934; DIN 912; DIN EN ISO 4017; DIN 931-1;  
Current Export Markets North America; South America; Western Europe; Eastern Europe; Eastern Asia; Southeast Asia; Mid East; Africa; Oceania; Worldwide;  

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Mr. Chen Wei

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  • Add: Email: dlfastener@gmail.com, Address: Changsheng,Dujia'ao, Jiulonghu, Zhenhai, Ningbo, China
  • Tel: 86-574-86521558
  • Fax: 86-574-86521998
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