国产精品久久久久国产精品三级,免看黄,亚洲精品一级片,日韩在线视频免费不卡一区,国产精品久久久久久久久免费,亚洲精品高清在线,午夜性色视频

Home | service

Letter of After-sales Service Commitment

In order to meet the needs of market development and protect the vital interests of users, the company has set up a number of sales and service outlets throughout the country. We will do our best to provide all kinds of after-sales service for new and old customers with the following commitments:

1. Three guarantees are given for one year for product quality, as well as lifetime warranty; and it shall ensure the timely supply of each component. Let users have no worries.

2. After-sales service shall be implemented in a 24-hour commitment system, achieving rapid professional, timely and accurate, so as to solve the user's urgency.

3. Organize a variety of professional and technical training courses in a planned way, and send professional and technical personnel to visit for technical guidance regularly to meet the needs of users.

4. Before the use of the equipment, it shall conduct on-site commissioning and provide technical guidance according to the user requirements or specified time.

5. Establish the perfect after-sales service file, track and grasp the new and old users' equipment usage situation timely and accurately.

We will apply excellent product performance, perfect enterprise management and after-sales service to make the majority of users satisfied.

Service Hotline: 0086 574 89022977