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Fuel Tech Inc is an technology provider of boiler optimization, efficiency improvement, and air pollution reduction to utility and industrial customers. The company operates in two segments, Air Pollution Control and Fuel Chem. The Air Pollution Control technology segment includes technologies to reduce NOx emissions in flue gas from boilers, incinerators, furnaces and other stationary combustion sources. The Fuel Chem technology segment uses chemical processes in combination with Computational Fluid Dynamics and Chemical Kinetics Modeling boiler modeling for the control of slagging, fouling, corrosion, opacity and other sulfur trioxide-related issues in furnaces and boilers through the addition of chemicals into the furnace using TIFI Targeted In-Furnace Injection technology.
Tungray Technologies Inc is an engineer-to-order company that provides custom industrial manufacturing solutions to original equipment manufacturers in the semiconductor, printer, electronics, and home appliance industries. It predominantly generates revenue through the manufacture of custom industrial manufacturing solutions, direct drive and linear DC motors, and induction welding equipment. Geographically, the company generates a majority of its revenue from Singapore and the rest from China.