The quality of the elevator is absolutely fine. The average annual output value of elevators in Li Kang will exceed 30,000. This sales volume can explain many problems, absolutely first-line. But the quality of the elevator can't represent many things. Even the best things are not installed in place, compared with ordinary users, it is a broken elevator. A small brand elevator is installed, and people who don't understand it will say that this elevator is good, with 4 points for quality, 4 points for installation and 2 points for after-sales maintenance.