Elevator components shall be signed by all parties involved in the acceptance process.

After the elevator passes the acceptance inspection, representatives of all parties participating in the acceptance inspection will sign the installation acceptance certificate, and it will be inspected and approved by the local labor safety supervision department. The elevator can be officially put into use after the elevator license is issued.

Elevators refer to mechanical and electrical equipment driven by power, using boxes running along rigid guide rails or steps running along fixed lines to lift or transport people and goods in parallel, including passenger (cargo) elevators, automatic Escalators, moving walkways, etc. serve buildings with specified floors.