Nheyo dzepasi dzakagadzirwa nepamusoro-soro-inotonhora-yakakungurutswa ndiro dzesimbi kubva kuWuhan Iron and Steel Co., Ltd. uye Panzhihua Iron and Steel Co., Ltd. Iyo yakanyatsogerwa uye inoroverwa nenzira yakakwira-density Inotora a mutsara wemaitiro anosanganisira gasi nitrogen kupisa kupisa, kupisa kwekupisa uye anti-rust kurapwa chiyero che30% -40% che2.0 uye pasi Chiyero chekuvhura chiri pamusoro pe2 inoongororwa kuti ione kunaka.