黄色视频三级

天津市(shi)大地工(gong)貿有(you)限(xian)公(gong)(gong)司(si)（天津中(zhong)(zhong)(zhong)鋼(gang)(gang)(gang)(gang)(gang)聯達鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)銷(xiao)售有(you)限(xian)公(gong)(gong)司(si)）022-84892002是生(sheng)產(chan)(chan)、經營、銷(xiao)售、服(fu)務為一體的(de)(de)無(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)制造企(qi)業。公(gong)(gong)司(si)主(zhu)要產(chan)(chan)品(pin)有(you):結構用(yong)無(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)、輸(shu)送流(liu)體用(yong)無(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)、低中(zhong)(zhong)(zhong)壓鍋爐用(yong)無(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)、高壓鍋爐用(yong)無(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)及(ji)石油裂化、高壓化肥、船舶用(yong)無(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)等(deng)符(fu)合(he)國(guo)家(jia)(jia)(jia)產(chan)(chan)業政(zheng)策的(de)(de)優質無(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)。公(gong)(gong)司(si)始終(zhong)把握生(sheng)產(chan)(chan)過程(cheng)(cheng)的(de)(de)質量(liang)(liang)控制及(ji)最終(zhong)產(chan)(chan)品(pin)的(de)(de)檢驗,已獲得(de)(de)國(guo)家(jia)(jia)(jia)質檢總局頒發的(de)(de)壓力(li)管(guan)(guan)(guan)道元件“生(sheng)產(chan)(chan)許可證”。 2010年順利通(tong)過質量(liang)(liang)認證中(zhong)(zhong)(zhong)心(xin)復(fu)評、換版(ban)審核(he)工(gong)作，有(you)效(xiao)運(yun)行(xing)GB/T19001-2008 idtISO9001:2008標準，并榮獲了(le)《中(zhong)(zhong)(zhong)國(guo)知(zhi)名(ming)品(pin)牌》《國(guo)家(jia)(jia)(jia)合(he)格評定質量(liang)(liang)信得(de)(de)過產(chan)(chan)品(pin)》《質量(liang)(liang)、服(fu)務、信譽AAA品(pin)牌》和(he)《中(zhong)(zhong)(zhong)國(guo)名(ming)優產(chan)(chan)品(pin)》稱號。公(gong)(gong)司(si)系國(guo)內(nei)知(zhi)名(ming)的(de)(de)無(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)專業生(sheng)產(chan)(chan)企(qi)業。大地牌無(wu)縫(feng)(feng)鋼(gang)(gang)(gang)(gang)(gang)管(guan)(guan)(guan)系列產(chan)(chan)品(pin),外型優良、性(xing)能穩(wen)定,在國(guo)內(nei)石油、化工(gong)、鐵路、水電、礦(kuang)山、機械(xie)、汽車(che)、城建(jian)等(deng)許多重點工(gong)程(cheng)(cheng)項目建(jian)設中(zhong)(zhong)(zhong)廣泛選(xuan)用(yong),并與這(zhe)些國(guo)家(jia)(jia)(jia)基礎(chu)工(gong)業行(xing)業的(de)(de)生(sheng)產(chan)(chan)廠家(jia)(jia)(jia)建(jian)立了(le)牢固(gu)的(de)(de)上下紐帶的(de)(de)供需關系,產(chan)(chan)品(pin)銷(xiao)往全(quan)國(guo)各地。