37CrS4, 41Cr4 1.1750 C55W 1.1820 C85W 1.1830 德国的工具钢: 1.2709?1.2703?1.2631?1.2604?1.2601?1.2562?1.2552?1.2550 1.2542?1.25191.2516?1.2510 1.2453? 1.2442 1.2436 1.2419 1.2414?1.2381 1.2379 1.2378 1.2710??1.2711?1.2713?1.2718 1.2721 1.2735 1.2738 1.2743?1.2745?1.2746 1.2762 1.2764? 1.2767 1.2823 1.2826 1.2833?1.2838 1.2842 1.2880 1.2884 我公司真诚的**服务深深迎得了全国广大客户的支持和信任所以一直深受厂商的信赖。