山東海鼎鋼管有限公司

ASTM美標鋼管-141.3*12.7

ASTMA106無縫鋼管-559*12.7

A106B無縫鋼管-610*38.89

美標鋼管-457.2*39.67

ASTMA333-6無縫鋼管-457.2*7.92

A335P5無縫鋼管-355.6*6.35

ASTM無縫鋼管-965*20

ASTMA333GR6低溫無縫管-609.6*38.89

ASTMA333-6低溫無縫管-323.9*21.44

A106無縫鋼管-219.1*7.04

A333GR.6無縫鋼管-1067*12.7

ASMEa335t91無縫鋼管-141.3*12.7

A333-6無縫鋼管-610*9.53

ASTMA106無縫鋼管-711*12.7

A106鋼管-406.4*36.53

ASTMA333GR6低溫鋼管-1016*12.7

ASTMA333GR.6無縫鋼管-762*30

ASTMA335P9合金鋼管-88.9*4.78

A106B無縫鋼管-914*80

A333GR.6美標低溫鋼管-762*40