2019 B4 Jaw Crusher Frontline Machinery
b4 jaw crusher. the b4 is designed with an independent double-deck vibrating prescreen and automatic feeding system. this system ensures an optimal supply within the crushing chamber by detecting an overload and slowing down the feed for the best results and prevention of jamming. load sensing hydraulics reduce fuel usage by. hot sale gold mining 3-ft symons cone crusher machine. us $/ set. 1 set (min. order) cn shenyang huayue brilliant machinery&equipment co., ltd. 5 yrs. 87.5%. contact supplier. standard type is applicable to medium crushing, middle type is applicable to fine crushing and short-head type is applicable to super fine crushing. our premium.