山東海鼎鋼管有限公司

ASTMA106-B無縫管-NPS32SCH20

ASTMA106B無縫鋼管-711*50

美標無縫鋼管-NPS12SCH5S

ASTMA333-6低溫鋼管-711*12.7

ASTMA333-6鋼管-BN250SCH20

ASTMA106鋼管-BN20SCH140

A106B無縫管-NPS34SCH60

ASTMA333-6鋼管-BN20SCH80S

GR.B無縫鋼管-NPS3/4XS

ASTMA106GRB無縫鋼管-BN500SCH80S

A106B無縫鋼管-NPS1/8SCH5S

ASTMA106-B無縫鋼管-355.6*35.71

ASTMA106B美標鋼管-BN25SCH5S

美標無縫鋼管-NPS22SCH5S

A335P5無縫鋼管-711*90

ASTMA106-B美標無縫管-NPS42SCH140

A333-6低溫鋼管-114.3*8.56

GRB美標無縫鋼管-NPS10STD

A106無縫鋼管-NPS16SCH140

A106鋼管-NPS3SCH10S