上海周凯紧固件有限公司专业从事紧固件产品的销售，采购和生产，并给客户提供物流服务。主要产品标准为DIN，ISO，GB，包括各类螺丝，螺栓，螺母，垫圈，铆钉及销钉等。公司位于上海嘉定南翔，地理位置及交通条件优越，可给位于上海及长江三角洲地区的客户提供快捷便利的服务。公司与众多紧固件制造厂家建立了业务伙伴关系，成为其销售及代理点。公司按照标准对产品实行严格的质量控制和检验，并向客户提供及时完善的售后服务。IntroductionShanghaiZhoukaiFastenersCo.,Ltdspecializesinfastenerstrading,purchasingandproduction,provideslogisticsservicestocustomers.TheproductsstandardsareaccordingtoDIN,ISOandGB,includingscrews,bolts,nuts,washers,rivetsandpins.OurcompanyislocatedinJiadingDistrictofShanghai,withconvenienceoftransportation,providingin-timeservicestothecustomersinShanghaiand/orYangtzedeltaregion.Wehavecloserelationshipsorpartner-shipswithanumberoffastenersmanufacturers.Wehavequalitycontrolandproductinspectionprocessestofasteners,andprovideafter-salesserviceallofourcustomers.