山東海鼎鋼管有限公司

ASTMA333-6鋼管-BN15SCH10S

ASTMA106-B無縫管-BN1000SCH160

A106B無縫鋼管-BN900SCH80S

ASTMA333-6鋼管-NPS10XXS

ASTM美標無縫管-NPS38SCH10S

ASTMA106B美標鋼管-NPS34SCH5S

ASTMA106無縫鋼管-NPS31/2SCH160

A106無縫管-BN900SCH40

ASTMA106B無縫管-48.3*5.08

A106B無縫鋼管-BN100SCH100

ASTMA333GR.6低溫無縫管-114.3*6.02

ASTMA106鋼管-965*30

A106B無縫鋼管-NPS14SCH60

GRB美標無縫鋼管-457.2*12.7

美標合金鋼管-NPS44SCH20

A106B無縫管-168.3*10.97

A106B無縫鋼管-60.3*3.91

A106無縫管-BN6SCH60

ASTMA333-6無縫鋼管-NPS48SCH10S

美標無縫鋼管-NPS6SCH140