按图加工42crmo深孔钻gcr15 65mn钢板38crmoa圆钢9cr18mo 440c不锈钢 ¥4700.00 按图加工P20圆棒cr12mov打孔圆钢718 NAK80 S136H 45号钢板skd11 ¥4900.00 零切16MnCr5 38crmoal打孔20CrMnTi钢板42CrMo激光图形切割60Si2Mn ¥6.90 钢板45#加工定做40cr激光切割65mn 42crmo锰铁片定制耐磨圆铁板 ¥4700.00 按图加工42CrMo打孔40Cr圆钢65Mn弹簧钢Gcr15轴承钢板38CrMoAl圆棒 ¥4288.00 打孔45#号钢A3 20Cr 40Cr激光图形切割Gcr15轴承钢65Mn弹簧钢光圆代精加工 ¥3700.00