Euke MagTech Limited can make PERMANENT MAGNET for paper box, package, ipad cover, mobile cover, leather bag and so on.
The application for packing is simple; there is no high requirement for magnetic force and working temperature. Sintered NdFeB magnet is famous for strong magnetic force. The grade N35 or N30 is usually used as packing magnet. Also some use ferrite and rubber flexible magnets. Size: D10x1mm, D12x2, D15x3mm, 20x10x1mm etc.