Warranty1. During the warranty period, if the product cannot work normally because of its quality problems, XFT will responsible for free repair or exchange, and pro vide relevant maintenance knowledge.2. Man-made equipment damages are not contained within the warranty scope. Any irresistible natural disasters to supply or demand side is not contained within the warranty scope.3. If users have any feedbacks of our products, please timely feedback to our company and we will deal with it immediately. Customer service center hotline: 400 830 0991.4. XFT does not provide free equipment (software) upgrade services.5. Customers can submit the problems through phone, mail, fax, and other forms, our after-sales service engineer will be provide technical support for you in timely.6. Repairing services: if customer’s product needs to be repaired, customer can contact our after-sales service centers for more information.