Established in 2003, JINZHU is a specialist manufacturer of fastener nuts, we have manufactured and exported nuts for more than 18 years and our frontline workers have 10-20 years’ experience. We export to 30 different countries and ship our products to 15 different Chinese provinces. We are located in Haiyan county, Jiaxing city, Zhejiang Province, China. Shanghai is 100 KM away, which can facilitate the cost and speed of the shipping process.We provide the following products: HEX FULL NUTSHEX HEAVY NUTSHEX THIN NUTSSINGLE CHAMFER HEX NUTSSERRATED FLANGE HEX NUTSNON-SERRATED FLANGE HEX NUTSPREVAILING TORQUE LOCK NUTS (ALL METAL)RECESS NUTSROUND NUTSHIGH HEX NUTSCUSTOM NUTS/NON-STANDARD NUTS (as per your specifications and size)Standards: DIN, ASME/ANSI, ISO, UNI, JIS, BS, IFI and others.If you have an inquiry, please send us an e-mail at: info@jinzhufastenernuts.comPlease visit our website: http://jinzhufastenernuts.com/