生產研磨鋼棒、合金鋼、中碳光丸、s45c鋼鐵鋼材、一般機械用鋼鐵材料
S45c carbon steel round grinding bar, steel stick
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MING WEI STEEL LTD. 研磨鋼.中碳鋼棒.合金鋼棒.高碳鋼.光丸鐵.中光丸.鍍鉻棒
