Ningbo donghai fastener manufacturing co., ltd is a top high-strength hex head bolts factory, located in ningbo, China.

It is founded in 1982 and reformed in 1995, covers an area of 18000 square meters and has a productivity of 1200 tons monthly.

The main products it supply include but not limited to the followings:
Nut; ASTM a194 2h heavy hex nut, ASTM a193m heavy hex nut, a563 heavy hex nut, din934 hex nut, din934 h=d heavy hex nut, finished hex nut

Bolt: Din933 hex bolt, din931 hex bolt, a325/490 heavy structural bolt, din6914 hex bolt

Studbolt: B7, B7M, L7, B16

Washers: F-436

This company has 6 devisions in China is setting up agents in USA, England and Dubai.

Contact us freely if any question.