Haiyuan Fastener factory is a leading manufacturer of nut , passed ISO9001 quality system identification and registered its brand as HAIYUAN Haiyan Haiyuan Fastener Factory is situatcd on Qinshan Industrial Area Haiyan Zhejiang The north is 125 km from Shanghai. border on 100 kilometers at Hangzhou in the south, the geographical position is superior, The traffic is very convenient. The company was established in 1999, Occupying 10000 square meters of area with more than 100 employees and 21 specialized technicians,the factory can produce different kingds of nuts with Chinese GB standard ,international ISO standard ,Germen DIN standard ,American ANS standard and so on. After development, purchasing high-speed nuts cold-forged and tooth drilling machines improving quality and capacity notably, the capacity of hex nuts has been to 300 tons per month at present.