Why can't the magnetic properties of magnets be judged by surface magnetism?
Surface magnetism, also known as surface magnetic field, refers to the magnetic induction intensity at a certain point on the surface of the magnet, and the …
Permanent Magnet
Why is the magnetic force of the permanent magnet you purchased weakened?
We have been trading in the magnet industry for many years. A small number of customers indicated that the magnetic force of the permanent magnets they …