山東海鼎鋼管有限公司

ASTM美標無縫鋼管-BN6SCH10

A106B無縫鋼管-BN350SCH5S

A106B美標無縫管-NPS10SCH120

ASTMA106-B無縫管-NPS31/2SCH30

ASTMA106-B美標無縫管-NPS11/2SCH80

GR.B無縫管-NPS34XS

ASTMA106-B無縫鋼管-NPS8SCH40

ASTMA333-6美標低溫鋼管-457.2*9.53

A106B無縫管-NPS1/4SCH80S

ASTMA106B無縫管-NPS14SCH5S

A106無縫管-BN65XXS

A106B無縫鋼管-NPS18SCH10S

ASTMA106-B美標無縫鋼管-BN900SCH40

ASTMA333-6無縫鋼管-273.1*21.44

ASTM美標無縫鋼管-NPS11/2SCH10S

ASTMA106無縫鋼管-1118*12.7

ASTMA333-6無縫鋼管-NPS46SCH100

A106無縫管-NPS10SCH80S

GR.B無縫鋼管-BN1200SCH140

ASTMA106-B無縫鋼管-711*100