High purity crystallized fused magnesia grains are superior basic refractories. They are widely used in metal- lurgical, building material, chemical, national defence. Aviation and space industries.

• 高纯晶体电熔镁砂为高档碱性耐火材料,他广泛用于冶金、建材、化工、国防、航空、航天等工业领域。