... pieces of the strongest rare earth neodymium magnets for each water softener The rare earth neodymium magnets we use are extremely powerful ... disc, cylinder, sphere, block ,ring ,tile, arc, and etc.High magnetic performance (Br: 11,000 to 14,500 Gs,Hci: 11 ... pick-up of optical disk drive), mobile phones, wind generator, magnetic resonance image, Hi-Fi system, auto motors, etc. Certifications: ISO9001 ...