Sermatex Grun Equipamentos Ltda is the only company in the Hazardous Locations business in which the specialty and main characteristics are the development and production of command and signaling lines, such as buttons, pilot light, rotary switches, circuit breaker actuator, photoelectric relay, drivers for led lamps among others. Specialist in these components, its main national and international customers are high quality industries for use in areas at risk of explosion.