Square neodymium magnets dedicated to display screen frame fixation are high-precision miniature permanent magnetic components customized for the assembly and fixation of LCD screens, LED display screens, tablet screens, monitor screens and intelligent display equipment frames. Modern display equipment is developing towards ultra-thin, borderless, lightweight and integrated design, which puts forward extremely high requirements on the precision, volume, fixing stability and appearance adaptability of internal fixed accessories. Traditional screw fixation and adhesive bonding processes are easy to cause screen extrusion deformation, frame bulging and difficult disassembly, while high-precision square magnets perfectly solve these industry pain points. This series of square magnets adopts ultra-precision cutting and fine grinding process, with regular square shape, smooth and burr-free edges, extremely small dimensional error, uniform thickness and consistent magnetic force of each product, ensuring the assembly precision of display screen frames. The magnets are small in size and thin in thickness, which can be embedded in the narrow gap of the display screen frame, realizing hidden fixation, without occupying the internal space of the equipment, and perfectly adapting to the ultra-thin design of modern display screens. In terms of performance, the product has stable magnetic adsorption force, moderate and uniform magnetism, which can firmly fix the display screen panel and frame, avoiding screen shaking, offset and loose assembly caused by equipment vibration during transportation and use. At the same time, the magnetic force is soft and stable, which will not cause extrusion damage to the fragile screen body and internal precision components, effectively protecting the display screen. The surface of the square magnet is treated with high-precision anti-corrosion coating, which is waterproof, moisture-proof, anti-oxidation and anti-static, avoiding magnetic attenuation and metal oxidation short circuit caused by humid environment and static electricity accumulation inside the display equipment, and ensuring the long-term stable operation of the display screen. The products support customized size and magnetic strength according to different display screen specifications such as mobile phone screens, tablet screens, commercial display screens and industrial monitors, meeting the fixed assembly needs of various sizes of display equipment. The magnetic fixation method simplifies the assembly process of display screen manufacturers, improves the assembly efficiency and product yield, and realizes tool-free disassembly and maintenance, which is convenient for later equipment maintenance and screen replacement. In addition, the square structure is convenient for modular and arranged installation, with high assembly consistency, which can effectively improve the overall flatness and structural stability of the display screen, avoid frame deformation and screen warping, and greatly improve the appearance quality and service life of display equipment. It is an indispensable high-precision accessory for the assembly and fixation of modern intelligent display screens.