怎麽不是強製性認證？電子類產品沒有Ul認證，海關不讓過。

來源: XiaoSheng 於 2014-05-01 13:29:58 [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.