焊接式截止阀 J61H-100,J61Y-100,J61H-200,J61Y-200,|产品总汇|无锡市昌林自动化科技有限公司手机版

焊接式截止阀 J61H-100,J61Y-100,J61H-200,J61Y-200,

25

硬质合金

J61Y-P54型J961Y-P54型

12Cr1MoV
WC6

12Cr1MoV
WC6

20Cr1Mo1VA
38CrMoAIA

12Cr1MoV

硬质合金

J61Y-P55型J961Y-P55型