0086 17701706555
jojoruan@heyinsteel.com
35CrMo 4135
H13 SK61 1.2
1035 1045 S
8620 20CrNiM
GCr15 SUJ2 E
23CrNi3Mo 凿岩
SWRCH8A SWRC
ML20MnTiB 冷墩
42CrMo SCM44
联系人:Mrs.Ruan
手机:17701706555
电话:0086 17701706555
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