HARTOWNIA Sp. z o.o. has been dealing with heat treatment of steel, cast iron and non-ferrous alloys for over 30 years. The hardening plant is equipped with modern furnaces for vacuum and regulated atmosphere treatment. Main specialities are: hardening and carburizing of steel based on modern technologies. We offer express lead times. Let us invite you to cooperate with our hardening plant in Łódź, the very center of Poland. We accept orders for heat treatment of your products. You will be served quickly and very solidly. This is the motto of our company.