1. Service tenet: fast, decisive, accurate, considerate and thorough

2. Service objective: service quality wins user satisfaction

3. Service efficiency: if the equipment fails during or outside the warranty period, the supplier can arrive at the site and start maintenance within 24 hours after receiving the notice.

4. Service principle: The warranty period of the product is 12 months. During the warranty period, the supplier will repair and replace the parts damaged due to quality reasons for free. For the parts damaged beyond the warranty period, the parts provided will only be charged at cost. For the equipment damaged due to the demander's human factors, the parts repaired or provided by the supplier will be calculated at cost.

5. After the warranty period, our company's technical personnel shall pay a return visit to investigate the user's use at least three times a year.