NFK. 

NFK Holdings Co., Ltd. engages in the engineering, manufacture, and sale of industrial furnaces in Japan. It designs and manufactures various combustion and heating systems for petroleum refineries and petrochemical plants, as well as for various industrial plants, such as cement kilns. The company offers incinerators for waste liquids containing solid particles, incinerators for halide wastes, equipment for waste plastics liquefaction plants, cyclone melting furnaces for sewage sludge, acid gas incinerators, tail gas incinerators for sulfur recovery units, re-heating systems for exhaust gas desulfurization plants, deodorization plants, inert gas generating plants, and reaction furnaces for various process plants. It also manufactures and markets industrial furnaces equipped with regenerative burners, burners for boilers and economizers, other combustion and energy saving equipment, gas fired burners, regenerator for gas turbine exhausts, anti-corrosion glass economizers, energy saving equipment and maintenance for boilers, and regenerative burners, as well as various high performance industrial furnaces, test operation and after services, and instrumentation for control of boiler operations. The company was founded in 1950 and is headquartered in Tokyo, Japan.