河北X60彎頭、X70對(duì)焊彎頭、x65對(duì)

優(yōu)質(zhì)L245三通、L245大口徑三通、L

金慶Q235對(duì)焊彎頭、Q235大口徑對(duì)焊

供應(yīng)河北16Mn對(duì)焊彎頭、16Mn大口徑

【16Mn對(duì)焊彎頭】河北16Mn對(duì)焊彎頭

供應(yīng)L245材質(zhì)三通、L245材質(zhì)對(duì)焊三

供應(yīng)Q235B對(duì)焊彎頭、Q235B大口徑

河北Q235碳鋼彎頭、Q235大口徑對(duì)焊

金慶供應(yīng)16Mn對(duì)焊彎頭、國標(biāo)16Mn對(duì)

【16Mn合金彎頭】?jī)?yōu)質(zhì)16Mn大口徑對(duì)

廠家供應(yīng)16mn對(duì)焊蝦米腰彎頭、16mn

【Q345彎頭】Q345合金彎頭 Q34

供應(yīng)Q345R材質(zhì)彎頭 Q345R對(duì)焊彎

供應(yīng)Q345材質(zhì)彎頭 優(yōu)質(zhì)Q345R材質(zhì)

【L245彎頭】L245對(duì)焊彎頭、L24

L245低合金彎頭、L245焊接彎頭、L