Industrial power boilers, namely fluidized bed boilers; and spare parts thereof
Environmental Control ApparatusINSTALLATION, MAINTENANCE, AND REPAIR OF INDUSTRIAL POWER BOILERS; MAINTENANCE AND REPAIR OF SPARE PARTS FOR INDUSTRIAL POWER BOILERS
Building Construction and RepairResearch and design services, namely research and design services of apparatus related to the circulation of chemicals in pulp mills; research and design services of apparatus relating to the energy production and air pollution control
Computer and Scientific