ZI Cone Crusher. Earthtechnica, a subsidiary company to leading international manufactures Kobe and Kawasaki, have created the ZI-series Cone Crushers. This crusher has been developed to incorporate all the successful features of their previous CYBAS Cone,.The benefit that cone crushers offer over jaw crushers is their ability to output a cubical product similar to impact crushers. Cone crushers have traditionally been used as secondary and sometimes tertiary crushing stations. As far as answering whether one type of crusher.