易切削鋼 SUN21 SUM22 SUM22L SUM23 SUM23L SUM24L SUM25 SUM31 SUM32 SUM41 SUM42 SUM43
冷鐓鋼 SWRCH6R SWRCH8R SWRCH10R SWRCH12R SWRCH15R SWRCH17R SWRCH6A SWRCH8A SWRCH10A SWRCH12A SWRCH15A SWRCH16A SWRCH18A SWRCH19A SWRCH20A SWRCH22A SWRCH25A SWRCH10K SWRCH12K SWRCH15K SWRCH16K SWRCH17K SWRCH18K SWRCH20K SWRCH22K SWRCH24K SWRCH25K SWRCH27K SWRCH30K SWRCH33K冷拉鋼、耐腐蝕合金等材料。具有品種齊全. 質(zhì)量穩(wěn)定.價格優(yōu)惠.送貨及時等優(yōu)點.