Pre-sales service:
　　Provide users with related products and technical consultation;
　　 According to user needs, send professionals to conduct on-site data collection;
　　 Conduct system analysis on user projects;
　　 Provide users with overall solutions for related projects.
　　Sale service:
　　 Free home delivery, efficient and fast installation by a professional installation team;
　　 Debug the system to ensure the normal operation of each machine;
　　 Provide training services for operators to use and maintain, and operate correctly to extend the service life of the system.