IFM is an industrial control brand in Germany. It is translated into AFM in China, and it is also translated into EFM. EFM is a multinational enterprise that has been engaged in research, production and sales of components and systems for signal detection, control and processing in the world for more than 30 years - from standard sensors to specific application controllers. EFM electronics is engaged in R & D and production in Germany and the United States. The administration and sales management of the company is located in Essen City, Ruhr district, Germany, with sales branches all over the world's important regions and countries.