山東海鼎鋼管有限公司

ASTM美標鋼管-323.9*17.48

ASTMA106無縫鋼管-406.4*7.92

A355P22無縫鋼管-1219*9.53

美標無縫鋼管-101.6*8.08

A333-6美標低溫鋼管-609.6*59.54

A106鋼管-273.1*21.44

ASTMA335P5合金鋼管-219.1*7.04

ASTMA106-B美標無縫管-711*50

ASTMA335P91合金鋼管-609.6*59.54

ASTMA333GR.6低溫無縫鋼管-1016*9.53

ASMEa335t91無縫鋼管-559*12.7

ASTMA333GR.6美標無縫管-965*15.88

ASTMA106GRB無縫鋼管-1016*9.53

GRB美標鋼管-406.4*12.7

ASTMA106-B美標無縫管-965*17.48

ASTMA333-6無縫管-168.3*14.27

GR.B無縫管-48.3*7.14

ASTMA333-6美標低溫鋼管-508*38.1

ASTMA335P91合金鋼管-711*15.88

A106B美標無縫鋼管-965*40