JUALFASTENERCRUSHER SURABAYA STONE CRUSHER. May 10, 2018JUALSPAREPARTSTONE CRUSHER. Acrusheris a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust.Crushersmay be used to reduce the size, or change the form, of waste materials so they can be more easily disposed of or recycled, or to reduce the size of a solid mix of raw materials (as in rock …