Tun cikin watan Maris na shekarar 2005 ne dai gwamnatin ta Jamhuriyar Nijar ta shiga cikin tsarin hadin gwiwar kasashe masu arzikin ma'adanai wanda ya tattara kungiyoyin farar hula masu sanya ido da kamfanonin kasa da kasa, baya ga hukumomin kasashen.
