1. Free warranty for the whole machine within one year. 2. One year free warranty for damaged parts. Attention: 1. The purchase date is subject to the purchase invoice date (no purchase invoice is subject to the production date). 2. No bar code, serial number products the company does not undertake after-sales service obligations. 3. Quality issues do not include the user's personal subjective objections to the machine. 4. Replacement and warranty services are only valid for general use: All man-made damage (such as the user's own disassembly, improper connection, access to the power supply of inappropriate voltage, not according to the instructions, etc.), damage caused by transportation and other accidents, natural disasters and other force majeure, maintenance and modification not approved by the Company are not covered by the replacement and free warranty; Maintenance services are appropriately charged. 5. For the service of discontinued products, the company only does functional repair (appearance may be different from the original product). 6. Warranty service does not include shell, manual, packaging