Musi waGumiguru 15, chikamu chechitatu cheToppi production performance report muna 2021. Maererano neshumo, muchikamu chechitatu che201, nzvimbo yeRio Tinto yePilbara yemigodhi yakatumira 83.4 mamiriyoni ematani esimbi, kuwedzera kwe9% kubva pamwedzi wapfuura uye a 2% kuwedzera kwevaviri.Rio Tinto yakaratidza mumushumo kuti nekuda kwekukanganisa kweiyo freckles management, brownfield masimba ekutsiva mapurojekiti uye kunonoka kwe202 nguva, nhamba yezviitiko zvesimbi mumugodhi wePilbara muchikamu chechitatu yaive 833 bhiriyoni, nekudonha kwakanaka kwe4% uye mwedzi-pa-mwedzi kuwedzera kwe10%.
Pamusoro pezvo, nekuda kweRio Tinto, nekuda kwekutaura kwemanzwiro muWestern Australia, Kuddedley Valley Brownfield Project neLobo River Green Brownfield Capacity Replacement Project yakanonoka zvishoma.Basa rekutumira simbi munzvimbo yePilbara migodhi muCanada muna 2021 ichave 320 miriyoni.Matani ~ 320 miriyoni matani.Chinangwa cheCanada iron briquettes uye yakanaka poda iron briquettes panguva imwechete inosvika 950 toni kusvika 1050 toni (fungidzira 1050 toni kusvika 1200 toni).