Central Vacuum Cleaning System ■ The longest central vacuum cleaning system in China with 15.8km internal pipeline
■ High powered suction minimizes noise and pollution from dust particles
■ Smell from waste is contained in the enclosed cleaning system
■ Cross contamination from varying types of waste is effectively avoided
■ The waste gas purification device delivers an air quality that meets the international environmental protection requirements
Kitchen Waste Vacuum Collection 
■ The first kitchen waste vacuum collection system in Beijing
■ Kitchen waste will be compressed and vacuum packed before entering the cleaning system pipeline
■ The longest pipeline system (1.3km) covers all kitchens, pantries and service areas, function halls, restaurants, canteen and shops in the entire CNCC Complex.
■ Outlet air from the system is purified to meet the international environmental protection requirements.
Rainwater Recycling 
■ The Siphonic roof drainage system is designed for efficient rainwater collection over the 60,000㎡ roof area
■ The 7,000m3 of rainwater in the 9 underground collection pools will water the plants in the lower level garden
Natural Ventilation design 
■ The foyer and the main exhibition hall are designed as natural ventilation areas
■ Electrically controlled windows installed on the curtain wall at the west of the building vary the ventilation levels according to temperatures inside the halls
■ Lower ground level entrance through gardens to the east of the building cools the area
■ 50 days of natural air-conditioning in one year will achieve an annual energy saving of 380,000 kilowatt-hours
