1. Lifetime free maintenance and upgrade.
2. Complaint responds period not exceed 24 hours; maintenance guidance and problem solution supplied in 48 hours.
3. Customer satisfaction tracking report.
4. Free technician training.
5. Full set of documents free of charge, which including installation guidance, software operation manual,
easy maintenance manual and control system software CD and so on.
6. Special service for the big project, such as a stadium, exhibitions, squares and so on.