1877 - ZETTLER founded in Munich, Germany by famous German engineer Alois Zettler
1889 - Alois Zettler completed his first design of an electro-mechanical relay in his Munich based laboratory
1998 - Zettler Electronics (Xiamen) established in Xiamen China
2004 - Zettler Magnetics (Xiamen) established in Xiamen,China
2014 - Zettler Relay (Xiamen) established in Xiamen,China
2015 - Zettler Controls (Ningbo) established in Ningbo,China