1. Our guarantee time is one year, if any component is damaged during guarantee time, we can send the component to the customer by DHL, TNT freely. 2. Our factory can send our engineer to the customer's factory install, commission and training freely. The customer provide the double triptickets,food and accommodation for our engineer. The customer also can send the engineer to our factory to learn the operation and maintains freely 3. Our factory provide the service for the customer forever, if the customerneed operation help, can contact us by WhatsApp, Skype, Email and Telephone at any time, we provide 24 hours on-line service. Our factory also will make video to show the operation steps for thecustomer.