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天津市(shi)大地(di)工貿有(you)限(xian)公(gong)(gong)(gong)司(si)（天津中(zhong)(zhong)鋼(gang)(gang)(gang)聯達鋼(gang)(gang)(gang)管(guan)銷售有(you)限(xian)公(gong)(gong)(gong)司(si)）022-84892002是生(sheng)產(chan)(chan)(chan)、經營、銷售、服(fu)務為(wei)一體的(de)無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)管(guan)制(zhi)(zhi)造(zao)企業(ye)(ye)。公(gong)(gong)(gong)司(si)主要產(chan)(chan)(chan)品(pin)有(you):結構(gou)用無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)管(guan)、輸送流(liu)體用無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)管(guan)、低(di)中(zhong)(zhong)壓鍋爐用無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)管(guan)、高壓鍋爐用無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)管(guan)及(ji)(ji)石(shi)油裂化、高壓化肥(fei)、船(chuan)舶用無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)管(guan)等(deng)符合國(guo)家(jia)產(chan)(chan)(chan)業(ye)(ye)政策的(de)優質(zhi)無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)管(guan)。公(gong)(gong)(gong)司(si)始終把握生(sheng)產(chan)(chan)(chan)過程的(de)質(zhi)量(liang)控制(zhi)(zhi)及(ji)(ji)最(zui)終產(chan)(chan)(chan)品(pin)的(de)檢(jian)驗,已(yi)獲(huo)得國(guo)家(jia)質(zhi)檢(jian)總局頒發的(de)壓力(li)管(guan)道元件“生(sheng)產(chan)(chan)(chan)許可證”。 2010年(nian)順利通(tong)過質(zhi)量(liang)認證中(zhong)(zhong)心復評、換版審(shen)核工作，有(you)效(xiao)運行(xing)GB/T19001-2008 idtISO9001:2008標準(zhun)，并(bing)榮獲(huo)了《中(zhong)(zhong)國(guo)知名品(pin)牌(pai)》《國(guo)家(jia)合格評定質(zhi)量(liang)信得過產(chan)(chan)(chan)品(pin)》《質(zhi)量(liang)、服(fu)務、信譽(yu)AAA品(pin)牌(pai)》和《中(zhong)(zhong)國(guo)名優產(chan)(chan)(chan)品(pin)》稱號。公(gong)(gong)(gong)司(si)系(xi)國(guo)內知名的(de)無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)管(guan)專(zhuan)業(ye)(ye)生(sheng)產(chan)(chan)(chan)企業(ye)(ye)。大地(di)牌(pai)無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)管(guan)系(xi)列產(chan)(chan)(chan)品(pin),外型優良、性能穩(wen)定,在國(guo)內石(shi)油、化工、鐵路、水(shui)電、礦山、機械、汽車、城建(jian)(jian)(jian)等(deng)許多(duo)重點(dian)工程項(xiang)目建(jian)(jian)(jian)設(she)中(zhong)(zhong)廣泛選用,并(bing)與這些國(guo)家(jia)基(ji)礎工業(ye)(ye)行(xing)業(ye)(ye)的(de)生(sheng)產(chan)(chan)(chan)廠家(jia)建(jian)(jian)(jian)立了牢固的(de)上下紐帶(dai)的(de)供需關(guan)系(xi),產(chan)(chan)(chan)品(pin)銷往全國(guo)各地(di)。