国产精品无码一区二区三区毛片_国产在线高清伦免费理视频_国产成人无码久久久久毛片_一 级 黄 色 片_国语_99久久久无码国产精品性色戒_99国产精品一区_中文字幕人妻视频永久在线_久久精品色婷婷国产福利_中文字幕人妻在线精品_久久成人国产精品一区二区_亚洲精品中文字幕无乱码

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