Pakusintha kwa mfundo zazikuluzikulu, China posachedwapa idachotsera 13% msonkho wotumizira kunja kwa zinthu za aluminiyamu, kuphatikiza mapanelo a aluminiyamu. Chigamulochi chinayamba kugwira ntchito nthawi yomweyo, ndikuyambitsa nkhawa pakati pa opanga ndi ogulitsa kunja za momwe aluminium ingakhudzire ...