Haiyan fastener factory. is a manufacturer that mainly produces DIN and ASNI bolts and screws, special screws and other types of screws, such as DIN933, DIN603, DIN571 ---It lies in Haiyan, Zhejiang Province, China, benefiting from the advanced technology and skills. Successively we have a good cooperation with domestic and international companies, for instance, we have succeeded in cooperate with America, Britain, Australia, India, etc., products have come into the market. We divide the work clearer, go on the combination among the strong ones according to one&＃039;s own advantage, and go on very happily. Hope future cooperation with you.