山東海鼎鋼管有限公司

美標低溫鋼管-141.3*15.88

ASTMA335P11無縫鋼管-813*15.88

A335P5無縫鋼管-813*12.7

ASTMA333GR.6無縫管-114.3*13.49

A333-6低溫鋼管-273.1*21.44

A333-6低溫無縫管-141.3*9.53

A106B美標無縫鋼管-457.2*15.88

ASTMA106B美標無縫鋼管-609.6*30.96

ASTMA333GR.6低溫鋼管-1067*12.7

ASTMA333GR.6無縫鋼管-914*100

ASTMA106GRB無縫鋼管-88.9*5.49

ASTMA106-B無縫鋼管-114.3*4.78

ASTMA335P11無縫鋼管-88.9*5.49

ASTM美標無縫管-559*34.93

ASTMA106B美標鋼管-1219*9.53

ASTM美標無縫鋼管-508*15.09

ASTMA333GR.6低溫無縫管-1118*12.7

ASTMA333GR.6低溫無縫鋼管-42.2*3.56

ASTMA333-6鋼管-508*20.62

A106B鋼管-457.2*19.05