山東海鼎鋼管有限公司

A106無縫鋼管-610*59.54

ASTMA333-6無縫管-BN32SCH140

ASTM美標無縫管-NPS40XS

A106B無縫管-NPS16XXS

ASTMA106GRB無縫鋼管-NPS3SCH80S

A106B美標鋼管-NPS30SCH160

ASTMA333-6鋼管-610*24.61

ASTMA333-6鋼管-NPS8SCH80S

A106無縫鋼管-BN100SCH120

A106B美標鋼管-BN350SCH20

A106鋼管-BN90SCH30

美標無縫鋼管-NPS40SCH40

A106無縫管-813*30

GRB美標鋼管-NPS28SCH5S

ASTMA106無縫鋼管-914*40

A106鋼管-BN65SCH10S

ASTM美標無縫管-BN20SCH5S

A106B鋼管-NPS26XS

ASTMA106GR.B無縫鋼管-NPS3/4SCH160

ASTM美標無縫鋼管-NPS8SCH30