Magnet type

Magnets can be grouped into "permanent magnet" and "non-permanent magnets." Permanent magnets can be natural products, also known as Lodestone, or artificial (the strongest magnets are neodymium magnets). Instead of permanent magnets, only under certain conditions of magnetic, usually in the form of electro-magnet, which is current to power its magnetic field

Artificial Magnet: it includes horseshoe magnet bar magnet, is the most common in the lives of everyone, more popular horseshoe magnet. Single refers to the side of the magnet of magnetic, magnetic magnets with weaker on the other side, method is to use a special process of galvanized iron sheets to wrap the side of double-sided magnet, wrapped side magnetic shielding, magnetic force is reflected to the other side one side magnetic enhancement