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創建于1951年，國內規模較大的井礦鹽供應商，主要從事食用鹽/工業鹽/液體鹽/品種鹽的研究開發/生產銷售，兼營天然氣、新型復合材料、房地產等領域的多元化產業企業

20世(shi)紀初，為改良鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)質，讓國人吃(chi)上(shang)干凈鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)、便宜鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)，1914年(nian)，范旭東(dong)在天津(jin)塘沽創(chuang)(chuang)辦(ban)“久(jiu)大(da)(da)精(jing)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)公(gong)(gong)(gong)司(si)(si)”。1916年(nian)，久(jiu)大(da)(da)精(jing)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)公(gong)(gong)(gong)司(si)(si)生(sheng)產的(de)中(zhong)國第(di)一批精(jing)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)，色白、粒細、純度高，結束(shu)了國人只能吃(chi)粗糙、劣質鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)的(de)歷史。“七(qi)·七(qi)”盧溝橋事件爆發后，范旭東(dong)不愿與日本人合(he)作，于(yu)1938年(nian)7月將“久(jiu)大(da)(da)精(jing)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)公(gong)(gong)(gong)司(si)(si)”遷至四(si)川自(zi)(zi)(zi)(zi)(zi)(zi)(zi)貢(gong)(gong)(gong)(gong)(gong)自(zi)(zi)(zi)(zi)(zi)(zi)(zi)流井(jing)張家壩，創(chuang)(chuang)辦(ban)了“久(jiu)大(da)(da)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)業(ye)公(gong)(gong)(gong)司(si)(si)自(zi)(zi)(zi)(zi)(zi)(zi)(zi)貢(gong)(gong)(gong)(gong)(gong)模范制(zhi)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)廠(chang)(chang)”，即自(zi)(zi)(zi)(zi)(zi)(zi)(zi)貢(gong)(gong)(gong)(gong)(gong)市(shi)(shi)張家壩制(zhi)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)化(hua)工(gong)(gong)廠(chang)(chang)前身。建(jian)(jian)國初期，久(jiu)大(da)(da)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)業(ye)公(gong)(gong)(gong)司(si)(si)實行公(gong)(gong)(gong)私合(he)營，于(yu)1951年(nian)成立(li)了“公(gong)(gong)(gong)私合(he)營自(zi)(zi)(zi)(zi)(zi)(zi)(zi)貢(gong)(gong)(gong)(gong)(gong)久(jiu)大(da)(da)制(zhi)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)股份有限公(gong)(gong)(gong)司(si)(si)”。幾經(jing)(jing)更替，自(zi)(zi)(zi)(zi)(zi)(zi)(zi)貢(gong)(gong)(gong)(gong)(gong)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)業(ye)實施國有化(hua)改革，逐步組(zu)建(jian)(jian)了自(zi)(zi)(zi)(zi)(zi)(zi)(zi)貢(gong)(gong)(gong)(gong)(gong)市(shi)(shi)張家壩制(zhi)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)化(hua)工(gong)(gong)廠(chang)(chang)、自(zi)(zi)(zi)(zi)(zi)(zi)(zi)貢(gong)(gong)(gong)(gong)(gong)市(shi)(shi)大(da)(da)安鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)廠(chang)(chang)、自(zi)(zi)(zi)(zi)(zi)(zi)(zi)貢(gong)(gong)(gong)(gong)(gong)市(shi)(shi)自(zi)(zi)(zi)(zi)(zi)(zi)(zi)流井(jing)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)廠(chang)(chang)、自(zi)(zi)(zi)(zi)(zi)(zi)(zi)貢(gong)(gong)(gong)(gong)(gong)市(shi)(shi)貢(gong)(gong)(gong)(gong)(gong)井(jing)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)廠(chang)(chang)、自(zi)(zi)(zi)(zi)(zi)(zi)(zi)貢(gong)(gong)(gong)(gong)(gong)市(shi)(shi)鄧(deng)關鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)廠(chang)(chang)五大(da)(da)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)業(ye)企業(ye)。1991年(nian)3月，經(jing)(jing)四(si)川省經(jing)(jing)貿委批準組(zu)建(jian)(jian)以自(zi)(zi)(zi)(zi)(zi)(zi)(zi)貢(gong)(gong)(gong)(gong)(gong)市(shi)(shi)張家壩制(zhi)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)化(hua)工(gong)(gong)廠(chang)(chang)、自(zi)(zi)(zi)(zi)(zi)(zi)(zi)貢(gong)(gong)(gong)(gong)(gong)市(shi)(shi)大(da)(da)安鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)廠(chang)(chang)、長山鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)礦、井(jing)礦鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)設計研(yan)究院、自(zi)(zi)(zi)(zi)(zi)(zi)(zi)貢(gong)(gong)(gong)(gong)(gong)市(shi)(shi)自(zi)(zi)(zi)(zi)(zi)(zi)(zi)流井(jing)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)廠(chang)(chang)、自(zi)(zi)(zi)(zi)(zi)(zi)(zi)貢(gong)(gong)(gong)(gong)(gong)市(shi)(shi)貢(gong)(gong)(gong)(gong)(gong)井(jing)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)廠(chang)(chang)、自(zi)(zi)(zi)(zi)(zi)(zi)(zi)貢(gong)(gong)(gong)(gong)(gong)市(shi)(shi)鄧(deng)關鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)廠(chang)(chang)、鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)業(ye)地址鉆井(jing)大(da)(da)隊、輕工(gong)(gong)機械廠(chang)(chang)、舒平(ping)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)廠(chang)(chang)、鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)業(ye)技工(gong)(gong)學校11個單位(wei)為核心的(de)四(si)川久(jiu)大(da)(da)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)業(ye)（集團）公(gong)(gong)(gong)司(si)(si)。

四川(chuan)久(jiu)大鹽(yan)(yan)業（集團）公司地處(chu)“千(qian)年鹽(yan)(yan)都”—四川(chuan)省自貢市，具有(you)2000多年悠久(jiu)的產鹽(yan)(yan)歷史，所(suo)處(chu)威西(xi)礦區，鹽(yan)(yan)鹵資源豐富，已(yi)勘(kan)探查明開采(cai)儲量約14296萬(wan)噸，且(qie)質地純、品質優(you)、富含(han)27種微(wei)量元(yuan)素(su)和(he)40余種常(chang)量元(yuan)素(su)，是天(tian)然環保、有(you)利于人(ren)體健康的優(you)質原料。

四(si)(si)(si)川久(jiu)大(da)(da)鹽(yan)(yan)(yan)業(ye)（集(ji)團）公司(si)改制(zhi)企業(ye)“四(si)(si)(si)川久(jiu)大(da)(da)制(zhi)鹽(yan)(yan)(yan)有限(xian)責任公司(si)”現有員工近(jin)3000人，資(zi)產總(zong)額(e)34億元，主(zhu)要從事食用(yong)鹽(yan)(yan)(yan)、工業(ye)用(yong)鹽(yan)(yan)(yan)、品(pin)種鹽(yan)(yan)(yan)的研(yan)究開發(fa)(fa)、制(zhi)造和(he)銷(xiao)售。公司(si)擁有四(si)(si)(si)川自(zi)貢、遂寧大(da)(da)英、湖北應城三大(da)(da)制(zhi)鹽(yan)(yan)(yan)基地，制(zhi)鹽(yan)(yan)(yan)生(sheng)產能力(li)近(jin)300萬噸/年。 公司(si)掌握著(zhu)我國(guo)真空制(zhi)鹽(yan)(yan)(yan)工藝設備裝置的核(he)心(xin)技術(shu)，擁有全(quan)國(guo)鹽(yan)(yan)(yan)行業(ye)國(guo)家認(ren)定(ding)企業(ye)技術(shu)中心(xin)、綜(zong)合性甲(jia)級(ji)設計研(yan)究院(yuan)、全(quan)國(guo)井礦鹽(yan)(yan)(yan)工業(ye)信息(xi)中心(xin)、全(quan)國(guo)井礦鹽(yan)(yan)(yan)產品(pin)質(zhi)量(liang)檢測中心(xin)，先(xian)后承擔國(guo)家、省(sheng)(sheng)（部）、市(shi)重點科研(yan)項目100多(duo)項，已(yi)開發(fa)(fa)出(chu)6大(da)(da)系列近(jin)200多(duo)個品(pin)種的產品(pin)。公司(si)產品(pin)獲得ISO09001:2015標準國(guo)際質(zhi)量(liang)管(guan)理體系認(ren)證(zheng)，主(zhu)產品(pin)自(zi)流井牌(pai)精制(zhi)鹽(yan)(yan)(yan)。2017年1月1日鹽(yan)(yan)(yan)業(ye)體制(zhi)改革實施以來，四(si)(si)(si)川久(jiu)大(da)(da)制(zhi)鹽(yan)(yan)(yan)有限(xian)責任公司(si)直(zhi)接進入市(shi)場自(zi)建銷(xiao)售渠(qu)道，大(da)(da)力(li)開拓市(shi)場，通過兩年多(duo)的努力(li)，公司(si)及旗下企業(ye)已(yi)在全(quan)國(guo)建立了200多(duo)個分公司(si)，擁有物流配(pei)送商、終端客戶近(jin)20萬個，食鹽(yan)(yan)(yan)產品(pin)進入了全(quan)國(guo)31個省(sheng)(sheng)、直(zhi)轄市(shi)、自(zi)治區(qu)，四(si)(si)(si)川市(shi)場的占(zhan)(zhan)有率達(da)60%，全(quan)國(guo)市(shi)場占(zhan)(zhan)有率達(da)12%，并出(chu)口日本、韓(han)國(guo)及東南亞地區(qu)。

四川久大鹽業(ye)（集團）公(gong)司(si)(si)(si)(si)改(gai)制企業(ye)“四川久大投資(zi)(zi)(zi)(zi)控股有(you)限責任公(gong)司(si)(si)(si)(si)”現有(you)員(yuan)工300多人，總資(zi)(zi)(zi)(zi)產(chan)(chan)(chan)(chan)(chan)1.98億元，主要從事對(dui)外投資(zi)(zi)(zi)(zi)，巖鹽伴(ban)生天然氣開采(cai)(cai)、銷售(shou)(shou)(shou)，白(bai)炭(tan)黑產(chan)(chan)(chan)(chan)(chan)品(pin)(pin)(pin)(pin)生產(chan)(chan)(chan)(chan)(chan)、銷售(shou)(shou)(shou)，新型(xing)復合材(cai)料制造、銷售(shou)(shou)(shou)、安裝，城市(shi)房地(di)(di)產(chan)(chan)(chan)(chan)(chan)開發，物(wu)業(ye)管(guan)理，建(jian)筑裝飾(shi)工程、銷售(shou)(shou)(shou)建(jian)材(cai)、鋼(gang)(gang)材(cai)、五金交電，鹽產(chan)(chan)(chan)(chan)(chan)品(pin)(pin)(pin)(pin)生產(chan)(chan)(chan)(chan)(chan)、銷售(shou)(shou)(shou)等(deng)業(ye)務。公(gong)司(si)(si)(si)(si)堅持產(chan)(chan)(chan)(chan)(chan)業(ye)多元化(hua)，各產(chan)(chan)(chan)(chan)(chan)業(ye)均(jun)有(you)較(jiao)大的發展潛力和空間。自貢天然氣儲量豐富，特(te)別是(shi)由于其開采(cai)(cai)層位低、投資(zi)(zi)(zi)(zi)少，受到戰(zhan)略投資(zi)(zi)(zi)(zi)者的青睞；公(gong)司(si)(si)(si)(si)旗下(xia)白(bai)炭(tan)黑企業(ye)產(chan)(chan)(chan)(chan)(chan)品(pin)(pin)(pin)(pin)遠銷全國(guo)各地(di)(di)，特(te)別是(shi)在西南三省一(yi)市(shi)的市(shi)場占有(you)率較(jiao)高，并出口(kou)日本及東(dong)南亞(ya)地(di)(di)區；公(gong)司(si)(si)(si)(si)旗下(xia)復合材(cai)料企業(ye)產(chan)(chan)(chan)(chan)(chan)品(pin)(pin)(pin)(pin)廣泛應用于市(shi)政(zheng)給排(pai)水、鹽化(hua)、醫(yi)藥、紡織、輕工、食品(pin)(pin)(pin)(pin)等(deng)領(ling)域，“中(zhong)嘉(jia)牌”玻(bo)璃鋼(gang)(gang)管(guan)，部(bu)分產(chan)(chan)(chan)(chan)(chan)品(pin)(pin)(pin)(pin)遠銷馬來(lai)西亞(ya)、印尼、越南、哈薩克(ke)斯坦等(deng)地(di)(di)區。 2016年，公(gong)司(si)(si)(si)(si)充分利用東(dong)源(yuan)井(jing)(jing)國(guo)家文(wen)(wen)物(wu)保護單位這一(yi)獨(du)特(te)鹽文(wen)(wen)化(hua)資(zi)(zi)(zi)(zi)源(yuan)，進軍文(wen)(wen)化(hua)旅游(you)行業(ye)，合資(zi)(zi)(zi)(zi)成(cheng)立了四川久大東(dong)源(yuan)井(jing)(jing)旅游(you)開發有(you)限公(gong)司(si)(si)(si)(si)。目前(qian)，東(dong)源(yuan)井(jing)(jing)的打造、旅游(you)產(chan)(chan)(chan)(chan)(chan)品(pin)(pin)(pin)(pin)的開發已初具規模(mo)，未來(lai)的東(dong)源(yuan)井(jing)(jing)將建(jian)成(cheng)井(jing)(jing)鹽傳(chuan)統(tong)文(wen)(wen)化(hua)展示(shi)、游(you)覽(lan)、體驗園區，成(cheng)為提升自貢千年鹽都形象的又一(yi)閃亮旅游(you)名片(pian)。