Pingdingshan Karayu Manufacterner na Musamman, Graphed Graphite, zane mai zane, sandar hoto, sandar hoto, wasan kwaikwayo na inganci, ana amfani da su sosai a ciki Kariya na walƙiya, magani mai zafi, kayan aiki mai ƙarfi, ɗaukakar ƙarfe, mai ɗaukar...
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