Feedstock industry is crucial for the national economy. German mining companies are known for their high degree of resource efficiency based on modern technology and know how. The exploition sites of the K + S group are distributed all over the world producing mainly potash and magnesium salts and rock salt. Focus is on the sustainable use of the natural deposits in order to stay competitive. This is achieved by constantly developing new technologies are as well as optimizing the organization and improving the qualification of the co-workers.