山東海鼎鋼管有限公司

GRB美標無縫鋼管-NPS14SCH5S

GR.B無縫鋼管-BN20SCH30

ASTMA106-B無縫管-BN100SCH10

GRB美標鋼管-BN500SCH120

ASTM美標無縫鋼管-NPS11/2XS

A106無縫管-609.6*14.27

A106B美標鋼管-NPS10XS

ASTMA106B美標無縫管-BN700SCH100

美標無縫鋼管-NPS11/2SCH40

ASTMA106-B美標無縫鋼管-BN700SCH80

ASTMA106無縫鋼管-457.2*12.7

A106B鋼管-NPS32XXS

A106B鋼管-BN450SCH10

ASTMA333-6低溫無縫鋼管-355.6*11.13

ASTMA106鋼管-914*40

ASTMA106B美標無縫鋼管-NPS1/4SCH100

ASTMA106B無縫鋼管-BN6STD

A106B美標無縫鋼管-NPS44SCH20

ASTM美標鋼管-BN400SCH5S

GR.B無縫鋼管-NPS26SCH10