Aloft cleaner Chen Jianwen (left) and Tang Jingui debug cleaning equipment outside the 101st floor of the Shanghai World Financial Center.Beijing, March 31 (People's Daily Online)--Shanghai World Financial Center, with a height of 492 meters, 101 floors, is China’s tallest building. The aloft cleaning team of the Shanghai World Financial Center cleans the outer wall of the building with professional window cleaning equipments every day.【1】 【2】 【3】 【4】 【5】