Level 1 red line: Safety circuit violation short circuiting. When the elevator operates with a door lock or safety circuit short circuited, the corresponding protective effect will be partially or com...
On the afternoon of April 13, 2023, at the "Opening Ceremony of Authoritative Department Talks" series theme press conference, Deputy Director Tian Shihong of the China Market Supervision an...
The paperless office maintenance of elevators has been fully implemented in southern China, and now northern China is also starting to implement it. A relevant department in a northern city held a pap...