We supply 1 Year warranty: 1. User manual, video and treatment protocol will be offered with the machines. 2. Strict quality test, the machine will be tested for 2 days before delivery. 3. If the problem actually happens, we will help to repair and all the accessories needed will be sent for free. 4. If out of warranty time, we will still help to solve the problems, and clients need to pay for the cost and shipping cost of the accessories. 5. We have engineers who are very professional and can speak English well, they will help you in time. 6. Professional R&D team, programmers and designers, all the machines are in continuously improving and every year we will develop new model to meet clients’ needs. We also offer ODM&OEM service, clients can customize their own unique products, logo, languages, color, appearance...