Treatment of metals; treatment of metal alloy materials by means of extrusion of metal alloys; treatment of plastic materials by means of extrusion of plastic materials

Doors, gates, windows and window coverings, not of metal; building glass; glass doors; window glass for building; glass slabs for use in building

Metal treating, namely, extrusion of aluminium

Aluminum building materials, namely, doors of aluminum, windows of aluminum, and facades of aluminum