60SI2MN弹簧钢...

60SI2MN弹簧钢...

T1红铜T1红铜板T...

T2红铜T2红铜棒T...

C1100三宝红铜C...

T3红铜T3红铜板T...

C12700红铜C1...

TU1红铜TU1无氧...

C1011红铜C10...

C1020无氧铜C1...

C1220磷脱氧铜C...

C1720铍青铜C1...

C17200铍青铜C...

QBE2铍铜QBE2...

铅黄铜HPB59-1...

锡青铜QSN4-3铜...

锡青铜QSN6.5-...

铝青铜QAL9-4铝...

铬锆铜、铬锆铜板、铬...

T2红铜T2红铜板T...

弹簧钢板60SI2M...

弹簧钢60SI2CR...

35CRMNSIA弹...

CK67弹簧钢/C6...

CK75弹簧钢CK7...

CK85进口弹簧钢/...

60Si2MnA弹簧...

60CrMnMoA弹...

51CrV4弹簧钢/...

50CrV4弹簧钢/...