Introduction to Jaw Crusher Knowledge ETECH (Dalian
May 20, 2019 · Introduction to Jaw Crusher. May 20, 2019. Jaw Crusher is mainly used as a coarse Crusher and medium Crusher in mines, building materials, infrastructure and other departments. According to the width of the feed port, it is divided into three types: large, medium, and small. The feed port width is greater than 600MM.