In recent years , with the rapid development of the elevator market , a large number of old elevators have appeared on the market , and most of them can not work properly anymore . However , the cost of replacing a new elevator is too high , then elevator modernization has emerged as the times require .

Elevator modernization , also called on-site modernization , refers to the upgrading and modification of existing elevators by using new technologies , new materials or improving equipment performance to achieve the purpose of improving elevator operating efficiency , enhancing elevator safety and reliability .Elevator modernization is generally divided into two types : comprehensive modernization and partial modernization.The comprehensive modernization is more comprehensive , including elevator machine room equipment , control cabinets , door wheels , wire ropes , cables , etc . Partial modifications only modify some equipment , including controllers , door covers , push rods , etc .

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