JDG管(guan)(guan)(guan)和KBG管(guan)(guan)(guan)均具(ju)有(you)選用優質冷軋(ya)帶鋼(gang),經高頻焊(han)管(guan)(guan)(guan)機組自動焊(han)縫成型,由于該(gai)管(guan)(guan)(guan)材雙面(mian)鍍鋅,因此具(ju)有(you)良好的防腐功能,加工便利(li),施工快(kuai)捷,但JDG管(guan)(guan)(guan)和KBG管(guan)(guan)(guan)兩(liang)者是有(you)差(cha)異的