The world s top brand member companies Injecting s genes and innovating constantly building the world s first brand of cost effective crushing and screening solutions Hydraulic Cone Crusher SG Series Main components 1 FEED HOPPER 2 MAIN SHAFT 3 CONCAVE 4 MANTLE 5 ECCENTRIC 6 PISTON 7 UPPER FRAME PROTECTION PLATE 8 FEED HOPPER