超纯铁精矿粉
Ultra-pure iron concentrate powder
ultra pure magnetite
高纯磁铁矿精矿粉
dressed ore of high purity magnetite
含硼铁精矿粉
boron-containing iron ore concentrate powder
精铁矿粉
refined iron mine powders
refined mine powders
Magnetite
refined iron ore powder
镜铁矿精粉
specularite concentrate
specular hematite concentrate
MgO包覆铁粉芯
MgO coated iron powder cores
超纯铁精矿
Super pure iron concentrate
Super-pure iron
超级磁铁精矿
Super-pure magnetite concentrate
超细铁粉粒度
superfine iron powder granularity