A wide variety of coal crusher plant options are available to you, such as 1 year, 2 years. You can also choose from canada coal crusher plant, as well as from easy to operate, long service life, and competitive price coal crusher plant, and whether coal crusher plant is building material shops, manufacturing plant, or energy mining. 4,451 coal impact crusher machine products are offered for sale by suppliers on Alibaba.com, of which crusher accounts for 55%, plastic crushing machines accounts for 1%, and scrap metal shredders accounts for 1%. A wide variety of coal impact crusher machine options are available to you, such as 1 year, 1.5 years, and 2 years. General Introduction. Roller crusher is used for coarse crushing or tertiary crushing. Smooth roll crusher is widely used for industries of ore separating, chemical engineering, cement, refractory material, grinding material and building material, etc. Compared with other crushers, double roller crusher is more excellent in industries of refractory material and mining.