山東海鼎鋼管有限公司

ASTMA106無縫管-457.2*12.7

A106B無縫鋼管-BN125SCH10S

ASTM美標無縫鋼管-NPS10SCH40

A106B美標無縫管-BN200SCH5S

ASTMA106B無縫管-BN40STD

GRB美標鋼管-114.3*11.13

ASTMA106B無縫管-BN125SCH10S

A106無縫鋼管-NPS16XXS

ASTM美標無縫鋼管-610*9.53

A106B鋼管-BN1200SCH140

ASTMA333-6美標無縫鋼管-BN800SCH40S

ASTMA106B美標無縫鋼管-BN10SCH80

ASTMA106GRB無縫鋼管-609.6*17.48

A106無縫鋼管-NPS1SCH120

ASTMA333-6美標低溫鋼管-273.1*7.8

A106無縫管-NPS5SCH80

美標低溫鋼管-NPS20SCH30

ASTMA106B無縫管-NPS8STD

ASTMA106無縫鋼管-NPS46SCH5S

ASTMA333-6鋼管-BN25SCH120