N52 magnet meaning

What is an N52 magnet ? What is the meaning and standard ?

​During the period of doing foreign trade, I found that many foreign customers prefer the N52 grade of neodymium magnets. Whether it is square, rectangular, ring or arc magnets, they all like to choose the N52 grade. Today we will share with you what is an n52 magnet, what is the meaning and standard ?...