HAGA can produce all kinds of mechanical seals, include O-ring type seals, rubber bellow seals, cartridge seals, and metal bellows seals etc. high technology seals, which can directly replace JOHN CRANE, BURGMANN, AES, VULCAN, ROTEN, FLYGT and GRUNDFOS.  Meanwhile, we can also produce all kinds of spare parts with material Sintered sic, reaction-bonded sic, tungsten carbide, ceramic with high purity and graphite seal faces, these products are widely used in many fields, such as spacecraft, machinery, metallurgy, printing and dyeing, foodstuff, pharmaceutical, auto industry and so on.