How about the quality of elevators in He Sen?

According to official website of Aiqi Tea, He Sen Elevator is a first-line brand in China, and its products have passed ISO 14000 environmental management system certification, GBT2800 1 occupational health and safety management system certification, EU CE safety certification and other certifications, with good quality and excellent service, enjoying a high reputation in the industry. Specifically, He Sen elevator adopts all-digital passenger identification technology, and all passengers will be identified before entering the elevator, including eye recognition. At the same time, the fourth generation elevator technology without machine room is adopted. The main engine must be separated from the guide rail and the car, and there is no resonance at all, and the speed can reach more than 2.0 m/s. To sum up, the quality and service of He Sen elevator are relatively good.