A watan Yuni ya ragu sosai a cikin farashin man coke, tun daga ƙarshen watan Yuni, wutar lantarki ta gida ta kasar Sin, babban ƙarfin lantarki na graphite, farashin ya fara ɗaukar ƙaramin matakin baya, a makon da ya gabata, wasu masana'antun ƙarfe na tsakiya sun ƙaddamar da tayin a China, mai yawa ultra high. ikon graphite lantarki sako-sako da tradi ...
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