1. A halin yanzu, manyan ƙasashe masu samar da kayayyaki a kasuwa sune China, Jamus, Brazil da Indiya.Saboda halin da ake ciki na annoba, kasar Sin ita ce kasar da ke da fa'ida ta kwatankwacin jigilar kayayyaki da farashin 2, nau'ikan tukunyar ƙarfe: simintin man kayan lambu, jifa da ƙarfe, jefa baƙin ƙarfe mara sanda p...
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