A106鋼管-BN450XS
ASTMA333-6無縫管-BN125SCH20
ASTMA106B無縫管-BN250SCH160
GR.B無縫鋼管-BN90SCH80S
ASTMA333-6無縫管-BN1100SCH60
A106B鋼管-NPS3/8XS
ASTMA106無縫管-NPS20XXS
A106B美標無縫鋼管-NPS40STD
ASTMA106無縫鋼管-813*15.88
A106無縫鋼管-NPS20SCH5S
A106B無縫管-NPS12SCH10S
ASTMA333-6無縫管-BN25XS
A106B鋼管-355.6*12.7
ASTMA106-B美標無縫鋼管-BN80SCH60
A106B鋼管-NPS44XS
A106B美標無縫管-NPS5SCH100
ASTMA106-B無縫管-BN350SCH60
美標低溫鋼管-BN80SCH40
GRB美標鋼管-NPS3/8SCH40S
GRB美標鋼管-BN250SCH5S
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