Heat exchangers as parts of machines and plants made up of these machines for heat recovery from manufacturing processes in the chemical, petrochemical, metallurgical or glass industry or for heat recovery in power stations; high-temperature preheaters as parts of machines and plants made up of these machines for air, for gaseous or liquid substances, for chemical and metallurgical manufacturing processes or for the glass manufacture; recuperators as parts of machines and plants made up of these machines for the use in the metallurgical industry, on melting furnaces of the mineral wool production, at chemical or petrochemical manufacturing processes or in fluidized bed furnaces for the sludge combustion; heat exchangers as parts of machines and plants made up of these machines for the air or fuel preheating; heat exchangers as parts of machines and plants made up of these machines

Steam generators for the process gas and heat recovery in steam reforming manufacturing processes, for the heat recovery in chemical and metallurgical manufacturing processes, for the heat recovery after partial oxidation as well as heat recovery, downstream of ammonia combustion, in nitric acid and caprolactam manufacturing processes; heat recovery steam generators in fire tube, water tube and double tube design for chemical, metallurgical and glass technological manufacturing processes; waste heat recovery steam generators for the utilization of gas turbine heat; thermal post-combustion furnaces for dust-laden gases, blast furnace gas containing co or exhaust air containing solvents downstream of various manufacturing processes; heat exchangers as parts of steam generator systems for heat recovery from manufacturing processes in the chemical, petrochemical, metallurgical or glass industry or for heat recovery in power stations; high-temperature preheaters as parts of steam generator systems for air, for gaseous or liquid substances, for chemical and metallurgical manufacturing processes or for the glass manufacture; recuperators as parts of steam generator systems for the use in the metallurgical industry, on melting furnaces of the mineral wool production, at chemical or petrochemical manufacturing processes or in fluidized bed furnaces for the sludge combustion; heat exchangers as parts of steam generator systems for the air or fuel preheating; heat exchangers as parts of steam generator systems for recovery of gas turbine waste heat, process gas coolers for the petrochemical or chemical industry; heat exchangers as parts of steam generator systems for recovery of gas turbine waste heat

Repair and maintenance of all of the following goods, namely, process gas coolers for the petrochemical or chemical industry; heat exchangers as parts of machines and plants made up of these machines for heat recovery from manufacturing processes in the chemical, petrochemical, metallurgical or glass industry or for heat recovery in power stations; high-temperature preheaters as parts of machines and plants made up of these machines for air, for gaseous or liquid substances, for chemical and metallurgical manufacturing processes or for the glass manufacture; recuperators as parts of machines and plants made up of these machines for the use in the metallurgical industry, on melting furnaces of the mineral wool production, at chemical or petrochemical manufacturing processes or in fluidized bed furnaces for the sludge combustion; heat exchangers as parts of machines and plants made up of these machines for the air or fuel preheating; heat exchangers as parts of machines and plants made up of these machines or as parts of steam generator systems for recovery of gas turbine waste heat and Steam generator systems for the process gas and heat recovery in steam reforming manufacturing processes, for the heat recovery in chemical and metallurgical manufacturing processes, for the heat recovery after partial oxidation as well as heat recovery, downstream of ammonia combustion, in nitric acid and caprolactam manufacturing processes; heat recovery steam generators in fire tube, water tube and double tube design for chemical, metallurgical and glass technological manufacturing processes; waste heat recovery steam generators for the utilization of gas turbine heat; thermal post-combustion furnaces for dust-laden gases, blast furnace gas containing co or exhaust air containing solvents downstream of various manufacturing processes; heat exchangers as parts of steam generator systems for heat recovery from manufacturing processes in the chemical, petrochemical, metallurgical or glass industry or for heat recovery in power stations; high-temperature preheaters as parts of steam generator systems for air, for gaseous or liquid substances, for chemical and metallurgical manufacturing processes or for the glass manufacture; recuperators as parts of steam generator systems for the use in the metallurgical industry, on melting furnaces of the mineral wool production, at chemical or petrochemical manufacturing processes or in fluidized bed furnaces for the sludge combustion; heat exchangers as parts of steam generator systems for the air or fuel preheating; heat exchangers as parts of steam generator systems for recovery of gas turbine waste heat

Engineering services relating to all of the following goods, namely, process gas coolers for the petrochemical or chemical industry; heat exchangers as parts of machines and plants made up of these machines for heat recovery from manufacturing processes in the chemical, petrochemical, metallurgical or glass industry or for heat recovery in power stations; high-temperature preheaters as parts of machines and plants made up of these machines for air, for gaseous or liquid substances, for chemical and metallurgical manufacturing processes or for the glass manufacture; recuperators as parts of machines and plants made up of these machines for the use in the metallurgical industry, on melting furnaces of the mineral wool production, at chemical or petrochemical manufacturing processes or in fluidized bed furnaces for the sludge combustion; heat exchangers as parts of machines and plants made up of these machines for the air or fuel preheating; heat exchangers as parts of machines and plants made up of these machines or as parts of steam generator systems for recovery of gas turbine waste heat and steam generator systems for the process gas and heat recovery in steam reforming manufacturing processes, for the heat recovery in chemical and metallurgical manufacturing processes, for the heat recovery after partial oxidation as well as heat recovery, downstream of ammonia combustion, in nitric acid and caprolactam manufacturing processes; heat recovery steam generators in fire tube, water tube and double tube design for chemical, metallurgical and glass technological manufacturing processes; waste heat recovery steam generators for the utilization of gas turbine heat; thermal post-combustion furnaces for dust-laden gases, blast furnace gas containing co or exhaust air containing solvents downstream of various manufacturing processes; heat exchangers as parts of steam generator systems for heat recovery from manufacturing processes in the chemical, petrochemical, metallurgical or glass industry or for heat recovery in power stations; high-temperature preheaters as parts of steam generator systems for air, for gaseous or liquid substances, for chemical and metallurgical manufacturing processes or for the glass manufacture; recuperators as parts of steam generator systems for the use in the metallurgical industry, on melting furnaces of the mineral wool production, at chemical or petrochemical manufacturing processes or in fluidized bed furnaces for the sludge combustion; heat exchangers as parts of steam generator systems for the air or fuel preheating; heat exchangers as parts of steam generator systems for recovery of gas turbine waste heat