https://www.ktmagnet.com/products/alnico-magnets/ ALNICO Magnets Made from aluminum, nickel, and cobalt, these magnets are known for their excellent temperature stability and high resistance to demagnetization from vibration and shock. As one of leaing alnico magnets suppliers, our aluminum nickel cobalt magnets have good temperature stability and aging stability, making them suitable for making instruments, motors, electroacoustic devices, magnetic machinery, etc.All Rights Reserved