ASTMA333-6美標無縫鋼管-21.3*2.77
ASTMA106B美標無縫管-406.4*26.19
A106B美標無縫鋼管-NPS46SCH20
ASTMA333-6無縫管-BN65SCH10
ASTMA106GRB無縫鋼管-BN32SCH160
ASTMA333-6美標無縫鋼管-813*15.88
GR.B無縫管-406.4*6.35
ASTMA333-6美標無縫鋼管-BN6SCH10S
ASTMA106無縫鋼管-BN8SCH30
ASTMA106B美標無縫鋼管-BN600XXS
ASTMA333-6鋼管-NPS46SCH80S
A106B美標鋼管-BN450XXS
ASTM美標無縫鋼管-BN6SCH30
ASTMA106無縫管-114.3*6.02
ASTMA106-B美標無縫管-BN1100STD
A106無縫管-NPS36SCH140
ASTMA106B無縫鋼管-NPS3/4SCH80S
GRB美標鋼管-BN20SCH100
ASTMA106B無縫管-609.6*14.27
ASTMA106-B美標無縫鋼管-273.1*28.58
試用會員
