Founded in 1937, CITEL is an industrial group that engineers, manufactures and sells protection solutions for electrical networks, telephone (digital & analog) and mobile equipment, PV systems, Led lighting systems against electrical transients. These solutions are issued from continuous efforts in research & development, on the component level (such as Gas Discharge Tube), but also on all surge protection ranges to be ahead of our customers needs. CITEL is a worldwide leader in the surge protection market. CITEL has manufacturing facilities in France and in China and has sales office located in France, Germany, USA, China and Eastern Europe.