
訪問(wèn):6868
主營(yíng):Cr12MoV,S136,SKD61,SKD11,NAK80,DC53,718H,P20,4cr13

訪問(wèn):5952
主營(yíng):模具鋼材S136H價(jià)格硬度多少錢防銹H13耐高溫壓鑄Cr12冷沖模用Cr12mov耐磨Dc53

訪問(wèn):6868
主營(yíng):Cr12MoV,S136,SKD61,SKD11,NAK80,DC53,718H,P20,4cr13

訪問(wèn):5952
主營(yíng):模具鋼材S136H價(jià)格硬度多少錢防銹H13耐高溫壓鑄Cr12冷沖模用Cr12mov耐磨Dc53