Wago Kontakttechnik GmbH & Co. KG engaged in development, production and distribution of spring terminal electrical and electronic industry connection system; they also produce without vibration influence connectors, electrical connectors and electronic components and subsystems. Its products include connection terminals and plug - in connectors, screws free crimp springs, terminals, and terminals without strips. WAGO Kontakttechnik GmbH & Co. KG is a subsidiary of the WAGO group. The family owned businesses have production bases in Germany, Poland, China and switzerland.