9SMnPb28

9SMn28易切削钢

44SmN28易切削钢

44SmN28易切削钢

10SPb20易切削钢

9SMnPb36棒材，9SMnPb36厂家

SUN23L易切削钢

SUM32SUM22L

SUM31易切削钢

SUM25价格

9SMnPb28易切削钢

SUM23易切削钢

SUM21SUM22易切削钢

44SMN28

36SMNPB28

38SMN28

36SMNPB14

36SMN14易切削圆钢

C6161P-O

C4640-F带材

C4430TWS-O

C4621P-F

C4430P-F

C4430-F铜合金

C4250-EH带材

C3712BD-F

C3771-F铅黄铜

C3712BE-F

C3603W-O

C3602W-F

C3603W-H铅黄铜

C3603-O铅黄铜

C3712-F铜材

C3603-1/2H

C3601-O带材

C3601W-1/2H

C3501W-H

C3604W-F铜带

302S31热轧不锈钢棒

2340高强度不锈钢