| Target: |
| To provide customers with immediate and first-class service |
| Principle of affter-sales service: |
| To the maximal satisfaction of customer |
| One Package Service: |
| Product design ★Before Sales (full consultancy, technique) Being Sales★(adjusting, test)★After Sales (quality guarantee) |
| Service: |
| Product design, Telephone consultation, Technique guidance, Convenient partss sites, After service |
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