LONGSHENG is located in Haiyan, Jiaxing, Zhejiang Province. It is near ZHAPU PORT AND SHANGHAI PORT and with convenient transportation. Our company was founded in 2002. Our main products are threaded ROD, stud BOLT and U-BOLT, SCREWS. Products are according to "DIN", "ISO", "ANSI", "BS" standards. Our size range is M4-M64, 1/8-2. The length is from 100mm-4000mm.