Established in 2003, HAI YAN JIN ZHU SCIENCE CO.LTD 海盐金竺科技有限公司 (Former name:HAIYAN XINGGUANG FASTENER CO.LTD 海盐星光紧固件有限公司) is a specialist manufacturer of fastener nuts located in Haiyan county, Jiaxing city, Zhejiang Province, China.

Our main products are HEX FULL NUTS, HEX THIN NUTS, FLANGE NUTS, HEX HEAVY NUTS, and we also produce prevailing torque lock nuts, round nuts, and also other custom nuts.

There is around 700 TONS INVENTORY STORAGE in our factory in order to achieve a fast delivery and better service for our customers.