QT100 AR400 SWRCH27K SWRCH30K SWRCH33K SWRCH35K SWRCH38K SWRCH40K SWRCH41K SWRCH43K SWRCH45K SWRCH48K SWRCH50K
弹簧钢:SUP6 SUP7 SUP9 SUP9A SUP10 SUP11A SUP12 SUP13 SUJ2 SUJ3 SUJ4 SUJ5 SUP10-CSP SK55-CSP SK85-CSP S70C-CSP S65C-CSP S60C-CSP S55C-CSP S50C-CSP?
、工具钢、进口铜料,具有品种齐全、质量稳定、价格优惠、送货及时等优点。?