DONAKO Sp. z o. o. is a global manufacturer and supplier of the highest quality components and special tools for the production of electrical machines, as well as engineering and maintenance services. Designs and manufactures tools used in the energy industry to build high-power electrical machines. It manufactures and produces components used in the energy industry to build electrical machines of both high and low power. It specializes in the production of welded structures and electric machine cores for the energy industry.