ALZA

Doors of metal, including armored doors, blast doors, bulletproof doors, soundproof doors, lead-lined doors, radio-frequency shielding doors, stainless steel doors, all the foregoing made of metal and component parts and fittings therefor; door frames of metal and component parts and fittings therefor; door knobs and handles of metal and component parts and fittings therefor; door hinges of metal and component parts and fittings therefor; door latches of metal and component parts and fittings therefor

Wooden doors including armored doors, blast doors, bulletproof doors, soundproof doors, lead-lined doors, and radio-frequency shielding doors, all the foregoing made of wood and component parts and fittings therefor; non-metal door frames and component parts and fittings therefor

Installation, maintenance and repair of doors; providing information on installation, maintenance, and repair of doors via a website

Product research and development, new product design, engineering, technology supervision and inspection, and product testing, all in the field of or relating to doors