A ranar 15 ga Oktoba, kashi na uku na rahoton aikin samar da Toppi a shekarar 2021. A cewar rahoton, a kashi na uku na shekarar 201, yankin hakar ma'adinai na Rio Tinto na Pilbara ya aika da tan miliyan 83.4 na baƙin ƙarfe, wanda ya karu da kashi 9% daga watan da ya gabata. 2% karuwa a cikin biyun.Rio Tinto ya nuna a cikin rahoton cewa saboda tasirin freckles management, brownfield iya aiki da kuma jinkiri na 202, adadin baƙin ƙarfe da ya faru a cikin ma'adinan Pilbara a kashi na uku ya kasance biliyan 833, tare da raguwa mai kyau na 4% kuma karuwa a wata-wata da kashi 10%.
Bugu da ƙari, saboda Rio Tinto, saboda maganganun motsin rai a Yammacin Ostiraliya, Kuddedley Valley Brownfield Project da Lobo River Green Brownfield Capacity Replacement Project an dan jinkirta.Ayyukan jigilar baƙin ƙarfe na yankin ma'adinai na Pilbara a Kanada a cikin 2021 zai zama miliyan 320.Ton ~ 320 ton miliyan.Manufa na briquettes na baƙin ƙarfe na Kanada da ƙarancin foda baƙin ƙarfe briquettes a lokaci guda ya kai ton 950 zuwa ton 1050 (yi tunanin 1050 tons zuwa 1200 tons).