Ningbo Dongxin company (DX) is located in Ningbo of China, and was eastablished at 1996.As an ISO9001:2000 approved company and leader of HIGH STRENGTH Fasteners竊? Ningbo Dongxin always supply to our customers with superior quality products and the best service, the standard including: ANSI/ASTM, DIN, BS, ISO, GB, JS, etc.and these products are used for Power Generation, Mining, Transportation, Petro-Chemical, Nuclear, Aerospace, Marine, and Medical industries.With more than ten years continual developing and improving has ensured that NINGBO DONGXIN welcomed by many fasteners distributers from all over the world.