304不鏽鋼

    #利记

    #johnson matthey

    #鋁合金

    #鋅合金

    #kee group

    #不銹鋼

    #304不鏽鋼

    #18-10

    #不锈鋼

    #best tyres in the world

    #kee-

    #tyre reviews

    #cold shut

    #casting defects

    #hot tearing

    #adc12 aluminum properties

    #hot tears

    #合金

    #鋁管

    #aluminium