... crushing of limestone, dolomite, page rock, gypsum mine, Ying stone, coal gangue and other medium-hard, brittle materials. ... discharging size, Series HC crusher is the Ideal crushing equipment in mining, cement, building materials industries. Besides, ... a decrease of 1 / 3 of investment in equipment, a save of 1 / 2 power consumption, ... machine from Weifang Longji Building Materials Equipment Co.,Ltd