used vertical ring roller mills -
Raymond Roller Mills are air-swept vertical mills with a The Raymond Roller Mill is an air-swept vertical ring-roll mill with an integral . RAYMOND ROLLER MILLS ARVOS Group. RAYMOND ROLLER MILLS With more than 125 years of experience, Raymond is a leader in the design and manufacture of industrial milling equipment.
Vertical roller mill - Wikipedia
Vertical roller mill is a type of grinder used to grind materials into extremely fine powder for use in mineral dressing processes, paints, pyrotechnics, cements and ceramics. It is an energy efficient alternative for a ball mill .