WERMA Signaltechnik is one of the world‘s leading companies for optical and audible signal devices. The international company located in South West Germany sets the tone technologically with its many state-of-the-art innovations. WERMA Signaltechnik has 65 years history and products of WERMA Signaltechnik adhere to German technology and are attention to detail. WERMA Signaltechnik offers solutions for an extremely wide range of signaling applications, including signal tower、optical signal devices、audible signal devices、optical and audible signal devices and Ex signal devices. Our signal devices make working environments safe and processes efficient - on machines, in factory halls or in the building services industry.