Magnet in our lives is a lot of use of the magnet can suck iron, nickel, cobalt and other metals, commonly known as a magnet. General common permanent magnet, and when energized electromagnet have magnetism. If a magnet made of rod-like or needle-like and hang up, it is natural to point to the Earth's South Pole and North Pole. Divided into large and small magnet magnet magnet. Magnet is so widely used, the use of electromagnets, made transporting steel crane. Transformation magnets: internal magnecular unmagnetized magnet is not regularly arranged, after the process of magnetization of the magnetic molecules have the arrangement rule. In this case, N pole and S pole of the magnetic elements will face in the same direction so that a magnet having a magnetic become magnet. Meanwhile, the presence of the opposite poles of the magnetic poles and an equal amount on the same magnet. Ingredients: magnet magnet known, refers to the presence of the magnetic field around the object or material and their own internal, is divided into two major categories of natural and man-made. Artificial magnets usually made of a metal alloy, having a ferromagnetic. Can be divided into "non-permanent magnet" and "non-permanent magnet," or "magnetic hard" and "soft." Natural magnet main ingredients: iron oxide, the chemical formula Fe3O4, often referred to as "magnetic iron oxide." Having a magnetic black crystals. Ferrous oxide and iron oxide compounds can be regarded as. Because the iron oxide crystals in the presence of two different valence states of ions, one third of Fe2 +, two-thirds of Fe3 +, is a complex compound. It is insoluble in water, it can not react with water. React with acids, alkali-insoluble. The main system for primer and paint, magnetic materials for the electronics industry, but also for rust in the construction industry. AUO magnet Shenzhen Co., Ltd. Address: Shenzhen Baoan District, Sa Po Wai first industrial zone 20 Block D Tel: 0755-27052468,27052005,27052839 Fax: 0755-27052265 Sales Contact: 13823780428 Mr. Wang E -MAIL: youdamagnet@sina.com AUO Group (Hong Kong) Co., Ltd. Address: new cultural center on the 14th Science Museum Road, Tsim Sha Tsui, Kowloon, Block A 9 Floor, Room 917 Tel: 00852-27935511 Fax: 00852-35902333 Sales Contact: 13823780428 Wang Mr. E-MAIL: youdamagnet@sina.com URL: http: //www.youdamagnet.com