Machines and machine tools, namely, steam engine boilers, steel alloy pressure vessel, steam-operated power generators, feed water preheater, surface condensers, and heat exchangers being parts of machines; motors and engines other than for land vehicles; machine couplings and transmission components other than for land vehicles; incubators for eggs

Custom construction of thermal exchange equipment for solar thermal plants, pressure boilers and equipment; Custom construction of pressure vessels, reactors and columns, steam generation systems, high pressure and low pressure feedwater preheaters, surface condensers, tube-shell exchangers, industrial boilers, waste heat boilers, heat thermal fluid boilers, cogeneration boilers, heat recovery steam generators, gland steam boilers, biomass boilers, high pressure piping systems, small-hydro po...