During 18 years of trails and hardships, Jinbo has put up 8 wholly-owned white fused alumina production lines, 3 mullite production lines and 2 magnesia alumina spinel production lines.

在18年的风雨历程之中，金渤按计划陆续投产了8条全资白刚玉生产线、3条莫来石生产线、2条镁铝尖晶石生产线。

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Available standard MA-spinel bricks differ mainly in the type of magnesia and in the amount and type of their alumina carrier (sintered and fused MA-spinel, calc. alumina, white fused alumina, etc. )

目前各种标准的镁铝尖晶石砖主要在氧化镁的数量、种类和它们铝载体的种类（烧结和电熔镁尖晶石、钙，氧化铝，白电熔等）方面有很大的不同。

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With brown, white fused alumina compared to high hardness, toughness, showed a single particle spherical crystal, has a good multi-row cutting edge, strong anti-crushing.

与棕，白刚玉相比硬度高，韧性大，呈单颗粒球状晶体，具有良好的多棱切削刃，抗破碎较强。

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The company purchases huge volumes of earths (like brown and white fused alumina), which are their raw material manufacturing inputs.

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