https://www.ktmagnet.com/products/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 a leaing alnico magnets factory, 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