ASTMA106-B美標無縫鋼管-BN150XS
ASTMA333-6美標無縫鋼管-219.1*20.62
ASTM無縫鋼管-NPS21/2SCH120
A106B無縫鋼管-NPS44SCH5S
ASTM美標無縫管-NPS2SCH30
ASTM美標無縫鋼管-NPS48SCH10S
ASTM無縫鋼管-BN1000SCH40
ASTMA106B美標鋼管-NPS31/2SCH100
美標合金鋼管-BN450SCH80
A106B鋼管-NPS6SCH5S
A106B美標鋼管-NPS18SCH10
A335P11無縫鋼管-33.4*4.55
ASTM無縫鋼管-73*5.16
ASTMA106-B美標無縫管-BN450SCH120
GRB美標無縫鋼管-NPS26XS
A106B美標鋼管-88.9*4.78
美標無縫鋼管-NPS26SCH40
GRB美標鋼管-NPS11/2SCH20
ASTMA106B無縫管-BN400SCH40S
ASTMA333-6鋼管-559*22.23
試用會員
