Haiyan Jiansheng Hardware Product Co.,Ltd is a professional manufacturer of nuts.Founded in 1995,factory building area of 10000 square meters, the company has advanced production equipment and professional technical personal.

All of our products are strictly according to China GB standard, International ISO standard, DIN,BS,ANSI,JIS and so on. Our nut output is more than 15000 tons per year. We could also produce the non-stangard fasteners which deal with our customers' drawing or samples.

Our company have self-manage imports and export right in 2003,100% of our products sell to oversea and mainly in Britain, Germany, Spain,Poland, United States, Brazil,Venezuela and other cuontries and regions.

We pays great attentions to the development of research and quality, we have pass the international quality management system ISO9001:2000,which guarantee our customer with top quality products.