FBU was established in 2007, with FBU trademark and is constantly developing series of cartridge seals conforming to standards of ISO , ANSI, DIN, and API ,which are widely used in industry such as chemical processing, paper & pulp, Iron Mine, marine and food processing. Our core business is cartridge mechanical seals, FBU can design, manufacture, and recondition mechanical seals as per ISO 9001:2008 LRQA assessed management.