The professionalism of the technical team examines the professional qualifications of the manufacturer’s after-sales technical team. Professional technicians should have relevant electrical engineer qualification certificates or undergo strict internal training by the manufacturer. For example, technicians can accurately diagnose the fault causes of various electrical components (such as circuit breakers, contactors, relays, etc.) in distribution cabinets, and are familiar with the characteristics of different brands and models of distribution cabinets, and provide effective solutions to specific problems. plan. The quality of maintenance guidance depends on whether the manufacturer can provide comprehensive distribution cabinet maintenance guidance. This includes the development of regular maintenance plans, such as instructing customers on how to regularly check whether the connections of electrical components are loose, whether the temperature of the busbar is normal, etc. For complex power distribution cabinet systems, manufacturers should also be able to provide detailed operation manuals and maintenance manuals, and can provide personalized maintenance recommendations based on customers' special needs, such as specific load conditions or usage environments.