Including coal, iron, nonferrous metals, non-metallic and other minerals have done a lot of work.

包括煤、铁、有色金属、非金属等多种矿产方面做了大量的工作。

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The company is mining limestone quarry quartz, magnetite, coal, and other metal or non-metallic minerals, while processing all types of stone products, is a mining sales for the integrated enterprise.

本公司是集开采石灰石矿，石英石矿，磁铁矿，煤矿，等金属或非金属的矿物质，同时加工生产各种类型的石料产品，是一家开采销售为一体的综合性企业。

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Rotary kiln is the core equipment that is often used to heat bulk or slurry material in metallurgy, non-metallic minerals, building materials, refractories and other industrial operation.

回转窑是在冶金、非金属矿、建材、耐火材料等工业领域生产中对散装或浆状物进行加热处理的热工核心设备。

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