Sintered Neodymium (NdFeB) magnets, known for their high magnetic energy density and excellent operational characteristics, are widely used in various fields including household appliances, transportation, healthcare, and aerospace. To objectively assess the suitability and quality of these magnets, various tests are conducted, generally categorized into three aspects: appearance and physical properties, magnetic properties, and auxiliary performance tests. Testing Appearance, Dimensions, and Physical Properties The appearance, dimensions, and physical properties are fundamental for the use of NdFeB products. Good products must