General information Trelleborg Sealing Solutions comprises six market segments: General industry: Advanced sealing solutions in specialty materials designed for a range of industrial applications. The largest product groups are O-rings, rotary seals and hydraulic seals. Aerospace: Safety-critical aircraft seals used in virtually all major commercial and military aircraft programs. Key application areas are engines, flight control actuators, landing gear, airframes, wheels and brakes. Light vehicles: Advanced and often safety-critical seals, mainly for fuel systems, steering, air conditioning and exhaust systems, as well as composite technology for damping and sealing. Transportation equipment, Agriculture, Offshore oil & gas: Safety-critical precision seals for use in, for example, trains, engineering and agricultural equipment and offshore oil & gas.