FBU Mechanical Seal Industrial Equipment (Kun Shan) Co., Ltd was established in 2007, with FBU trademark we specialize in design and manufacturing.FBU is constantly developing series of cartridge seals conforming to standards of ISO , ANSI, DIN, and API ,which are widely used in industry such as petrochemical, electric power, steel, pharmaceutical, paper & pulp, marine, ship yard and food processing.