Sintered Ndfeb magnet is by far the strongest permanent magnet. There are various brands of materials, from N35 to N54 and H, SH, EH, UH, etc. Shape can be processed according to specific requirements: round, square, drilling, magnetic tile, magnetic bar, convex, trapezoid, etc.; Despite these advantages, surfaces are prone to rust, so protective finishes such as nickel plating, zinc plating, gold plating, epoxy plating, etc., are usually required. Ordinary Ndfeb magnet is suitable for ambient temperature below 80 degrees Celsius, if there are special requirements for temperature, need to be customized according to requirements