Primary Crusher Selection & Design- the primary crusher colombia ,Ultimately, the mining sequence will certainly impact the primary crusher selection. Where you will mine ore and where from, is a deciding factor not so much for picking between a jaw or gyratory crusher …Primary and secondary jaw crusher technical parameters ...Primary and secondary jaw crusher technical parameters Posted on 2012-12-31 by lmsh_hy PE Series Jaw Crusher is the newest primary and secondary crusher which most widely used in primary and secondary crushing.