... usage:MFP50A series powerful grading crusher is mainly used in mining, metallurgical, chemical, coal mine in the fields of brittle the block of thick ... material that MPa pressure strength is less then 120Mpa. Especially in the coal industry, only need bur picking, deferrization,then can use ... much debris low, so as to simplify the process of coal, and to reduce the investment and the cost of production ...