42 Engineering and architectural services related to construction, upgrade and environmental regulations of electrostatic precipitators, precipitator collecting electrodes, precipitator discharge electrodes, rappers, reverse gas bag houses, reactive and regenerative adsorbent systems for removing SO2, SO3, NOx, and Hg from flue gas, wet gas scrubbers, non-catalytic NOx emission reduction systems, urea to ammonia conversion systems, flue gas desulfurization systems, dry and wet flue gas desulfurization systems, mechanical draft cooling towers, cooling towers for cooling heat exchange equipment, natural draft cooling towers, with and without purified gas injection, mechanical draft cooling towers, forced draft or induced draft fans for use in cooling towers, counter flow cooling towers, including chemical engineering, physical engineering, land surveying, technical consultation in the field of engineering, environmental engineering, computer programming, civil engineering, laboratory analysis in the field of industrial combustion exhaust, and inspection of cooling towers, stacks, industrial emission control equipment, industrial and consumer power plants
Trademark: 87428772
