Founded in 1953 in France as the Tribology Research Center, the H.E.F Group has developed numerous technologies related to surface treatment processing of materials, obtained patents, and sold licenses worldwide. Furthermore, in recent years, they have also developed surface treatment processes for resin housings and added electromagnetic shielding coating services to their lineup. They are expanding their business on a global scale. The H.E.F Group has both research and development and manufacturing facilities, allowing for customization to meet customer needs. The H.E.F Group places importance on establishing a presence close to clients and has many of its own factories around the world. In Japan, HEF DURFERRIT JAPAN Co., Ltd. collaborates with three domestic factories to meet the needs of Japanese customers.