original magnesium limestone or dolomite, silicon impurity.These different impurities is mobilization and high-pressure recrystallization and thermal metamorphism. By absorbing the advanced technology from the world, we research and design PF series of impact crusher.It can be used to deal with material, the size of less than 500 mm, its compressive strength less than 360 mpa.Therefore, it is widely used in many industries, such as chemical industry, metallurgy, road and bridge construction and sand…
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