Strong Magnet:GM-602 1) Used For:siren,driver unit,speaker,horn speaker 2) ... 3) ODM/OEM Service 4) Rohs Detailed Parameter of GM-602:1) China Direct Manufacturer2) RoHS3) Material:ferrite, Y25 / Y30 / Y354 ... ) with excellent after-sale service to guarantee customers' benefits MG-602, strong siren magnet,driver unit magnet,speaker magnet,china