Ningbo Dongxin is located in Ningbo of China，as an ISO9001：2000 approved company and leader of HIGH STRENGTH of Fasteners，Ningbo Dongxin always supply our customers high quality products, like as HEX HEAD BOLTS, HEX NUTS, HEAVY HEX NUTS, STUD BOLTS, STUDDING, and THREADED BAR.
With the more than ten years continual developing and improving has ensured that Ningbo Dongxin welcomed by many fasteners distributers from all over the world.
Customers' high benefits from our cooperation is our pride: choose US，Ningbo Dongxin will be your valued supplier of fasteners.
We are a factory that specialize in producing Nuts and Bolts. We export the ANSI, DIN nuts and bolts . Such as

1.NUTS: ASTM A194 2H/2HM/Gr7/Gr4
ASTM　A563　　　　
DIN 934 Gr8/Gr10,
DIN6915 Gr10
　　　


2.BOLTS: ASTM Gr5/Gr8/Gr10
ASTM A325
DIN931/933 8.8/10.9/12.9

3.STUD BOLT: A193 B7/B7M/B16
A320 L7/L7M