Magnetic hook ( magnetic retainer) is composed of various permanent magnet and metal parts consisting of special magnetic circuit. They than individual magnets magnetic intensity many times the vertical suction can reach 5-150 kg, is ideal for fixed products. The company' s production of magnetic retainer is widely used in the Office, home, travel sites, industrial and engineering fields. It is clean with no environment pollution, easy to use. We design and develop this kind of product has a handsome in appearance, with seaview, design reasonable, price discounts and other advantages.