... 50Φ227.A Reference List1.Dashan Concentrator, Dexing Copper, JCC, China: Φ660 Cyclone Clusters, Φ500 and Φ3802.Sizhou Concentrator, ... Dexing Copper, JCC, China: Φ660 Cyclone Clusters, Φ500, 250 and Φ1503.Yongping Copper ... Fengning Xinyuan Mining Co., Hebei, China: Φ500 Cyclone Clusters, Φ250 and Φ1508.Shanshui Copper Co., Yunnan, China: Φ500 Cyclone Clusters, Φ380 ...