我公司常年销售40Cr圆钢、Cr9Mo合金管、Q345E无缝管,规格齐全。
40Cr圆钢 Ф12mm 40Cr 3465 永钢
40Cr圆钢 Ф18-25mm 40Cr 3385 永钢
40Cr圆钢 Ф10/12mm 40Cr 3380 富钢
40Cr圆钢 Ф14-25mm 40Cr 3420 富钢
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