1. Emergency repair/overhaul capacity of faulty equipment: engineers arrive at the user's site within 6 to 12 hours, and solve equipment failure problems within 3 to 8 hours, except for special circumstances.
2. Maintenance capability of faulty boards: fixed schedule for repair within 20 days, and urgent schedule for repair within 3 days.
3. Response time of spare parts: provide spare parts support for free and arrive at users within 8 to 24 hours.
4. Spare parts procurement cycle: the spot spare parts arrive at the place designated by the user within 5 working days.
5. Service mode: free 24-hour technical consultation, providing customers with technical solutions and necessary technical services.