山西优特钢供应链
保证现货，请收藏：
1Cr18Ni9Ti 24-250
18CrNi3MoA 70 80 105 110
20CrNiMoA 20-120
40CrNiMoA 25-350
调质钢QT40CrNiMoA 35 45 60 75 85
20Cr2Ni4A 36-200
25Cr2MoVA 12-270
25Cr2Mo1VA 18-200
20Cr1Mo1VTiB 30-160
20Cr1Mo1VNbTiB 25-105
2Cr12NiMo1W1V 25-110
30CrMnSiA 20-320
38CrSi 55-140
38CrMoAl 16-250
石永跟
0354-3968580
13994579398 (微信)