Core innovations of this measure include: first, unified access standard, formulating unified standards for elevator enterprise access in the Yangtze River Delta, covering qualification conditions, personnel configuration, equipment requirements, service specifications, enterprises in the region do not need to re-apply for qualifications; second, implementation of qualification mutual recognition, clarifying installation qualification, maintenance qualification, inspection and testing qualification for global mutual recognition, enterprises obtaining qualifications in any region can conduct business across the Yangtze River Delta, approval time limit shortened from 15 working days to 5 working days; third, data sharing mechanism, building a Yangtze River Delta Elevator Smart Supervision Big Data Platform, integrating full data of elevator files, maintenance records, inspection reports, fault information, credit evaluation, realizing inter-regional supervision, risk early warning, emergency rescue linkage; fourth, cross-regional supervision collaboration, establishing a mechanism of cross-regional law enforcement linkage, major accident joint investigation, hidden danger collaborative rectification, unifying law enforcement standards and improving regional elevator safety supervision efficiency; fifth, optimization of market services, implementing cross-regional maintenance service registration system, one-stop acceptance process, reducing enterprise cross-regional operation costs and promoting optimal allocation of elevator industry resources in the Yangtze River Delta. After implementation of the new policy, the efficiency of the Yangtze River Delta elevator market is increased by 40%, reducing enterprise costs by over 500 million yuan annually, providing a model for national regional elevator integrated supervision.