The 4265 Gyratory CrusherMay 20, 2016 . A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. There are five types of crushers; Jaw crusher,.manufactory of gyratory crusher,Manufacturing and refurbishing of jaw crushers - 911 Metallurgistfield from the late 1800s to the early 1900s. In 1910 the largest gyratory crushers built had 48-inch openings. However, about this time the jaw crusher came to.
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