DKK Co., Ltd. manufactures and sells telecommunication and radio frequency equipment in Japan and internationally. The company's Telecommunication division offers mobile communication infrastructure systems, including cellular base station and smaller size antennas, products for mobile WiMAX, peripheral devices, and mobile communications towers, as well as provides cellular base station construction and maintenance services; and broadcasting products, such as broadcasting and microwave antennas, medium and short wave antennas, gap fillers, towers, shelters, power supply apparatus, and FPU rotators, as well as provides broadcasting construction and maintenance services. This division also offers data communications products comprising regional WiMAX products, microwave network antennas, and satellite telecommunication products; and energy products consisting of wind towers, mounting structures for solar power panels, and mounting structures for secondary batteries. Its Radio Frequency division provides induction heating equipment, including hardening and tempering equipment, and high frequency generators; RF applied equipment, such as high power RF amplifier systems, and RF power generators for plasma excitation and induction heating; vacuum furnaces; and IH heat-treatment processing products. DKK Co., Ltd. was founded in 1950 and is headquartered in Tokyo, Japan.