DKK Co Ltd, formerly Denki Kogyo Co Ltd is a company mainly engaged in the electric communication- and high frequency-related business. The Company operates in two business segments. The Electric Communication segment is engaged in the manufacture, construction and sale of various antennas, reflector plates, steel towers and steel structures, plating processing of various telecommunications equipment and steel frames, as well as construction of electric communication facilities. The High Frequency-related segment is engaged in the manufacture and sale of high frequency induction heating equipment, various high-frequency power supplies for plasma, as well as processing of High-frequency heat treatment. The Company is also involved in the equipment lending business and solar power distribution business.