C&K is a leading supplier of electromechanical switches. C&K products are used e.g. used in automotive, industrial, medical and consumer goods. They are assembled in over 55,000 standard products and 8.5 million combinations at companies that design, manufacture and distribute electronic products.

Driven by the passion for innovative technologies, Marquardt offers intelligent, electronic and electromechanical systems and components. Particular attention is paid to the design, feel, durability and reliability of the parts.