山東海鼎鋼管有限公司

A106鋼管-NPS22SCH60

ASTMA106B美標無縫管-1067*12.7

ASTMA106B無縫鋼管-NPS30SCH30

GR.B無縫鋼管-NPS20SCH20

GR.B無縫鋼管-NPS12SCH40

美標無縫鋼管-BN1000SCH160

GR.B無縫管-355.6*15.09

ASTMA106-B美標無縫管-NPS16SCH10S

A106鋼管-BN800SCH20

A106B無縫管-BN1200SCH80S

ASTMA106B無縫鋼管-NPS21/2XXS

A106無縫管-BN500STD

ASTMA106GRB無縫鋼管-NPS1/4SCH60

A106鋼管-NPS26SCH20

ASTMA106GRB無縫鋼管-NPS1SCH100

A106B鋼管-BN1100SCH80

ASTM美標無縫鋼管-BN250SCH60

A106鋼管-NPS4SCH100

ASTMA106無縫管-NPS1/4SCH40

GR.B無縫管-NPS3SCH140