作為電解(jie)銅(tong)箔(bo)(bo)(bo)的制造商，三(san)井金屬銅(tong)箔(bo)(bo)(bo)事業部提供從通用(yong)銅(tong)箔(bo)(bo)(bo)到(dao)應用(yong)于(yu)精細(xi)電路(lu)的高端銅(tong)箔(bo)(bo)(bo)，具備豐富的產品線和(he)強大的開(kai)發(fa)能(neng)力(li)。

三井(jing)金屬(shu)集團是傳統的(de)(de)財團企業(ye)(ye)，主要從事(shi)(shi)鋅、銅(tong)等非鐵金屬(shu)的(de)(de)冶煉(lian)和(he)礦山開(kai)(kai)發事(shi)(shi)業(ye)(ye)，自20世(shi)紀80年代(dai)起開(kai)(kai)始(shi)(shi)進軍海外市(shi)場，并于(yu)20世(shi)紀90年代(dai)中(zhong)(zhong)期(qi)開(kai)(kai)始(shi)(shi)將(jiang)公司(si)事(shi)(shi)業(ye)(ye)擴展(zhan)到(dao)(dao)中(zhong)(zhong)國。三井(jing)金屬(shu)的(de)(de)公司(si)經營口號(hao)是“開(kai)(kai)啟材(cai)(cai)料智慧”，目前已將(jiang)業(ye)(ye)務范圍從金屬(shu)?冶煉(lian)事(shi)(shi)業(ye)(ye)拓(tuo)展(zhan)到(dao)(dao)電(dian)子材(cai)(cai)料、機(ji)能材(cai)(cai)料、汽車(che)零部(bu)件等各個領域，積極(ji)開(kai)(kai)展(zhan)包(bao)括中(zhong)(zhong)國在內的(de)(de)全球事(shi)(shi)業(ye)(ye)運營。用(yong)作電(dian)路(lu)板(ban)(ban)(ban)中(zhong)(zhong)印刷線(xian)路(lu)板(ban)(ban)(ban)材(cai)(cai)料的(de)(de)銅(tong)箔(bo)、用(yong)于(yu)平板(ban)(ban)(ban)顯(xian)示器(qi)、智能手機(ji)、平板(ban)(ban)(ban)電(dian)腦等電(dian)子設備(bei)的(de)(de)濺(jian)鍍靶材(cai)(cai)、汽車(che)功能部(bu)件（汽車(che)門鎖(suo)等）等，以其(qi)產品(pin)競爭(zheng)力和(he)技術優勢在世(shi)界市(shi)場中(zhong)(zhong)廣(guang)受好評。