Laboratory Cone Crusher Capacities. Laboratory Roll Crushers (Type C) Laboratory Crushing Rolls are usually used as a secondary crusher, handling products from jaw crushers or gyratory mills and for making products for pulverizers. For certain special applications they are used as a.Product. Our products cover crusher, grinding mill, screen, feeder, classifier, conveyor belt and others. Core products include GC gyratory crusher, JC jaw crusher, CC hydraulic cone crusher, MC hydraulic cone crusher, HS impact crusher, VS vertical-shaft impact crusher, YKR ZKR vibrating screen, HPF grizzly feeder, MP MK mobile crushing screening plant, and CLTC dry-wet dust removal devices.