Established in 1998, Ningbo Lihe Magnetic Industry Co., Ltd is a professional manufacturer and exporter of all kinds mechanical seals and powder metallurgy products such as magnets, mechanical seals are the main products in LIHE Industry which including silicon carbide, tungsten carbide, graphite, industry technical ceramic and so on. which are widely used in various industry fields, except for complete set of mechanical seals and their replaceable accessories, we also welcome your customized tungsten carbide, silicon carbide, ceramic products, such as rings, sleeves, balls, oil seats, nozzles, blades, buttons, and all kinds of irregular or complex products.