Scenario Explanations:
1. How long is quality assurance? How to provide quality assurance
2. Can I buy an extended warranty? How much does it cost? Where can I buy it?
Annotation:
Reply according to the instruction manual, sales policy:
the whole machine warranty 3 years, 30 days refund (2 series). During the warranty period, the machine has a priority for repair, and if it can not be repaired, it will provide a new replacement service.
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