... help exported to more than 30 countries Vertical ring and pulsating high gradient magnetic separator utilizes the combined force field of magnetism , pulsating fluid ... Field of VPHGMS:For processing fine, feebly magnetic minerals, such as hematite, limonite, siderite, ilmenite, chromite, wolframite, tantalumniobium, and etc. For purifying (iron and titaniun removal ...