To prevent new coronavirus infection, Liwen Elevator reminds you to pay attention to the following matters when taking the elevator: 1. When taking the elevator, please wear a mask and avoid talking in the elevator. 2. Wash your hands frequently and avoid touching your mouth and nose after taking the elevator. 3. Please ask dedicated personnel to clean and disinfect the OPB button panel and button panels on each floor of the venue, the elevator car side panels, the car handra...