NINGBO DONGXIN HIGH-STRENTH NUT CO., LTD which was eastablished at 1996is located in Ningbo of China, a beautiful and rich coastal city.As a have many exoerienced manufacture of fasterner,Ningbo Dongxin is specialized in producing standard hexagonal nuts,square nuts,special nuts and kinds of bolts.These products are widely used in chemical industry,construction machinery and automobile.As an ISO9001：2000 approved company and leader of HIGH STRENGTH Fasteners， 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. 是一家经国家相关部门批准注册的企业。NINGBO DONGXIN HIGH-STRENTH NUT CO., LTD凭着良好的信用、优良的服务与多家企业建立了长期的合作关系。NINGBO DONGXIN HIGH-STRENTH NUT CO., LTD热诚欢迎各界朋友前来参观、考察、洽谈业务。