Detergents Care and Maintenance Workshop MOTOREX Bike For over 90 years, in Langenthal in the heart of Switzerland, the largest independent refiner of crude oil it is active in research, development and production of innovative lubricants chemical known throughout the world market. At the base of valuable products MOTOREX is an exceptional group of highly motivated. Every day experienced specialists, engineers, chemists, technicians and sales specialists give their all to allow MOTOREX to retain its leading position in the market. An industry research and development excellence in the technologies adopted. MOTOREX is the largest Swiss industry oil processing.