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天津市大地(di)工(gong)(gong)貿(mao)有限公(gong)(gong)司(si)（天津中(zhong)鋼(gang)(gang)聯達鋼(gang)(gang)管(guan)(guan)銷(xiao)售有限公(gong)(gong)司(si)）022-84892002是生產(chan)(chan)(chan)(chan)、經營、銷(xiao)售、服(fu)務(wu)為(wei)一體(ti)的(de)無(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)制造(zao)企業。公(gong)(gong)司(si)主要(yao)產(chan)(chan)(chan)(chan)品(pin)有:結構用無(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)、輸送流(liu)體(ti)用無(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)、低中(zhong)壓(ya)(ya)鍋(guo)爐用無(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)、高壓(ya)(ya)鍋(guo)爐用無(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)及石油(you)裂化、高壓(ya)(ya)化肥(fei)、船(chuan)舶用無(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)等符合(he)國(guo)家(jia)產(chan)(chan)(chan)(chan)業政策的(de)優質(zhi)無(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)。公(gong)(gong)司(si)始終把握(wo)生產(chan)(chan)(chan)(chan)過(guo)程的(de)質(zhi)量(liang)(liang)控制及最終產(chan)(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(fa)的(de)壓(ya)(ya)力管(guan)(guan)道(dao)元件“生產(chan)(chan)(chan)(chan)許(xu)可(ke)證(zheng)”。 2010年順利通過(guo)質(zhi)量(liang)(liang)認(ren)證(zheng)中(zhong)心(xin)復評(ping)、換版審(shen)核工(gong)(gong)作(zuo)，有效運行GB/T19001-2008 idtISO9001:2008標(biao)準，并榮獲(huo)了(le)《中(zhong)國(guo)知名(ming)(ming)品(pin)牌》《國(guo)家(jia)合(he)格評(ping)定質(zhi)量(liang)(liang)信得過(guo)產(chan)(chan)(chan)(chan)品(pin)》《質(zhi)量(liang)(liang)、服(fu)務(wu)、信譽AAA品(pin)牌》和《中(zhong)國(guo)名(ming)(ming)優產(chan)(chan)(chan)(chan)品(pin)》稱號。公(gong)(gong)司(si)系國(guo)內知名(ming)(ming)的(de)無(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)專(zhuan)業生產(chan)(chan)(chan)(chan)企業。大地(di)牌無(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)系列產(chan)(chan)(chan)(chan)品(pin),外(wai)型優良、性能穩定,在國(guo)內石油(you)、化工(gong)(gong)、鐵路、水電(dian)、礦山、機(ji)械、汽車、城建(jian)等許(xu)多重點工(gong)(gong)程項目建(jian)設中(zhong)廣(guang)泛選(xuan)用,并與這(zhe)些國(guo)家(jia)基礎工(gong)(gong)業行業的(de)生產(chan)(chan)(chan)(chan)廠家(jia)建(jian)立了(le)牢固(gu)的(de)上下紐帶的(de)供需關系,產(chan)(chan)(chan)(chan)品(pin)銷(xiao)往全國(guo)各地(di)。