75857525
Nov 24, 1999
Jul 9, 2002
primary aluminum smelter machinery and accessories, namely, potroom equipment, namely, pot tending machines, transfer gantry, lifting beams, retractable buffers, cathode cranes, anode jacking frames, anode rod clamps, and rails; crucible cleaning equipment, namely, crucible cleaning machines, tube cleaning machines, dross conveyors, and dedusting systems; carbon baking equipment, namely, furnace tending machines, green/baked anode stacking machines, fluewell demolition equipment, fluewall cleaning equipment, and stationary vacuum system; port handling equipment, namely, alumina ship unloaders, transport conveyors, storage silos, and jetty design, namely, breakwaters, docks and landing places for ships and boats
Machinerygas and electric preheaters for aluminum smelting crucibles; gas and electric dryers for aluminum smelting crucible refractory
Environmental Control Apparatus