Magnet has been widely used in craft gift, luggage, stationery, bags, leather paper packaging products decorative box toy electronic accessories, aviation, aerospace, electronics, electroacoustic, electromechanical, instrument, instrument, antenna, etc, medical technology and other devices that require permanent magnetic field, such as round, square, concave and convex shape, trapezoid, runway, elliptical, etc. Process and customize products of various specifications and styles according to customer use or requirements, contact number; 13957933395