Ningbo Zhenhai Dingli Machinery Manufacture Co., Ltd. are a professional manufacturer only provide fasteners according to DIN,ANSI/ASME,ISO,BS,JIS,AS,GB standard, but also provide non-standard fasteners as per your drawings and samples. Various raw material and surface finish are available in our factory., Now we have two plants:

One professionally produces hot formed products, specialized in production of high strength hex bolt, hex socket cap bolt,thread rod, double-ended stud,nut&bolt&washer set series. Producing specification---Grade: 6.8, 8.8, 10.9, 12.9, B7, B7M, L7, L7M. Diameter: M12-M100; Length: 25-1200MM(Bolt), 100-6000MM(Thread Rod).
 
Another one professionally produces cold formed products, leading product is set screw, various tip types and drive styles are available. Producing specification--- Grade:8.8,10.9,12.9,A2-70,A4-70,brass,aluminium; Diameter: M2.5-M80(Above M16 use hot forged formed); Length: no limit.

We have our own brand “ND”,and OEM service is also available.Our company had already passed the authentication of ISO9001 for many years. Advanced equipments, matrixes are used in the company. We can provide above 15000 tons per year, 90% are exported directly. Now we have won numerous national and regional awards honoring us for our quality products at competitive price.
  
"Grow together with the clients" is our value concept. If you have any interest of our product, please let us know your further inquiry, We hope that our product will be...