... especially suitable for the crushing of limestone, dolomite, page rock, gypsum mine, Ying stone, coal gangue and ... discharging size, Series HC crusher is the Ideal crushing equipment in mining, cement, building materials industries. Besides, ... Low noise and less dust.Technical parameters: Model No.Diameter of rotor(mm)Length of rotor(mm) ... machine from Weifang Longji Building Materials Equipment Co.,Ltd