The historical case entry presents Sheraton as a hotel and resort brand then associated with Starwood Hotels & Resorts. It describes the brand's presence in major cities and resort destinations and its focus on hospitality services. Corporate ownership and network figures in the original entry relate to that earlier period.
BIOSUN develops customized air treatment and fresh-air solutions for enclosed and semi-enclosed spaces, including offices, commercial complexes, homes, exhibition centers, schools, banks, airports, hospitals, hotels, laboratories and waste rooms. Applications include microbial treatment, formaldehyde and particle reduction, odor control and cooking-fume treatment. Equipment and ventilation requirements are selected for the pollutants and conditions at each site.
BIOSUN's integrated air treatment services cover on-site air assessment, equipment selection, intelligent system control, and follow-up monitoring and adjustment of treatment performance.
