First, the service commitment 1. Our company has set up a group of tough and experienced engineers and senior technicians to solve any problems occurred in the shortest possible time, repair and replace. 2. All complaints about product quality are answered within one day and the treatment measures are determined according to the complaints. Better solve problems for customers. 3. During the warranty period, due to your improper use or due to the natural environment, we provide free maintenance. The materials and accessories used for maintenance are only charged at cost. Second, the return of goods commitment 1. The returned product requires complete packaging, accessories, manuals, warranty cards, and explanations of the reasons for the exchange. 2. Users have quality problems under normal use conditions. Please contact our company quickly during the warranty period so that users can get timely repair and replacement. 3. Now the following situation can not enjoy the company's return commitment. a. The product was used abnormally. b. Unauthorized repairs, misuses, abuses, and modifications. c. The normal wear of the product. d. Exceeded the warranty period.