訪問(wèn):67360
主營(yíng):特殊鋼, 易切削鋼, 合結(jié)鋼, 進(jìn)口模具鋼, 銅鋁合金, 軸承鋼,
訪問(wèn):6603
主營(yíng):Cr12MoV,S136,SKD61,SKD11,NAK80,DC53,718H,P20,4cr13
訪問(wèn):5807
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):67360
主營(yíng):特殊鋼, 易切削鋼, 合結(jié)鋼, 進(jìn)口模具鋼, 銅鋁合金, 軸承鋼,
訪問(wèn):6603
主營(yíng):Cr12MoV,S136,SKD61,SKD11,NAK80,DC53,718H,P20,4cr13
訪問(wèn):5807
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