CIRCUIT FEED PARAMETERS Information Gained • ROM top size parameters • Primary crusher discharge size analysis • Throughput requirements and schedules • Mining Plans , Schedules, methods and equipment sizes Effect on Circuit Selection • Determines selection of primary crushers and necessity for pre-crushing can influence this.Found in 1997, DSMAC Group is a leading manufacturer of crushing equipment and wear-resistant materials in China. It mainly specializes in producing crushing, feeding and screening equipment, including stone crusher, mobile crusher, and sandstone.