Product Name: various sizes of ndfeb magnets Widely used in speakers, earphones, sound emitters and other audio products. Product Name: various sizes of ndfeb magnetsISO/TS 16949 & ISO14001 & &QC080000 Certified.These products are widely used in speakers, earphones, sound emitters and other audioproducts. They are also suitable for electric motors, apparatus and meters, suctioninstruments, ...