Ba kamar kuɗin takarda ko wasu nau'ikan kadarori da yawa ba, zinari ya kiyaye ƙimarsa tsawon shekaru. Da farko da al'adu suka yi amfani da su a Gabashin Turai na zamani a cikin 4,000 BC don yin abubuwa na ado, karfe a yau yana wakiltar kasuwancin duniya tare da aiki a kowace nahiya, ban da Antarctica. An mamaye masana'antar da zaɓaɓɓun rukunin manyan masana. Fiye da kashi 90% na zinaren da ake haƙa a kowace shekara an ƙaddara don kayan ado, bullion, da tsabar kudi. Hakanan ana amfani da ƙarfe a cikin likitan haƙori, saboda shine mafi kyawun kayan cikawa da rawanin tunda yana da sauƙin sakawa, kuma baya aiki tare da jikin ɗan adam.
Anan akwai manyan kamfanoni 10 mafi girma na hakar zinare a duniya.
Rank | Kamfanin | Samar |
1. | Newmont | 5.88 miliyan oz |
2. | Barrick Gwal | 4.84 miliyan oz |
3. | polyus | 2.87 miliyan oz |
4. | AngloGold Ashanti | 2.81 miliyan oz |
5. | Kinross Zinare | 2.38 miliyan oz |
6. | Filin Zinare | 2.13 miliyan oz |
7. | Newcrest Mining | 2.06 miliyan oz |
8. | Agnico Eagle | 1.73 miliyan oz |
9. | Polymetal na Duniya | 1.40 miliyan oz |
10. | Harmony Gold | 1.38 miliyan oz |