九色综合网_九一国产在线_九一九色_九一九色国_亚洲午夜免费_亚洲午夜视频在线

Welcome to Hangzhou Huatai Intelligent Technology Co., Ltd.!
Language:

After sales service

After-sale service

1.Repairing service

During the warranty period, we will repair the equipment units free of charge unconditionally, if the deficiency caused by product quality problem or installation. We take no responsibility if the failure coursed by disobeying operation regulations of the clients or under the irrevocable exterior factors stipulated by our country.

We promise a follow-up service for the life time of the equipment. When the warranty expires, we can continue to provide maintenance service for whole life of the equipment, and certain service fee will be charged.

We can give the quick response for unit repairing and promise to complete repairing within 3 days after we receive the units. We can also dispatch engineer to site to support serious system deficiency on the request of the customer. The customer will charge of the flight tickets ,meal ,hotel .safety ?-?-..

2.Software updating service

After our customer purchases our LED electronic display, we will also provide our customer with the service of software updating free of charge. Our customer can download the new version from our website or by e-mail.


主站蜘蛛池模板: 欧美成人一区二区三区 | 精品一区二区三区中文字幕 | 国产精品一国产精品 | 国产午夜视频在线观看第四页 | 精品国产欧美一区二区三区成人 | 欧美国产一区二区二区 | 国产三区视频 | 久久久久无码国产精品一区 | 高清视频一区二区三区 | 91插视频 | 成年网站免费视频黄 | 欧美成人观看视频在线 | 成人精品亚洲人成在线 | www.一区 | 欧美视屏在线观看 | 成人a视频 | 91精品免费在线观看 | 国产91精品久久久久999 | 欧美成人www在线观看网页 | 久爱免费观看在线精品 | 99久久精品国产一区二区 | 成人网在线播放 | 成人爱爱网 | 日本欧美小视频 | 成人在线网址 | 日韩免费观看 | 欧美日韩精品一区二区三区 | 福利在线一区 | 国产美女在线观看 | 日本一级特黄特色大片大全 | 国产一二在线观看视频网站 | 福利一区在线观看 | 极品嫩模私拍后被潜在线观看 | 欧美日本在线观看 | 久久这里只有精品免费播放 | 国产精品原创 | 成网站在线观看人免费 | 91蜜桃传媒一二三区 | 日韩精品欧美成人 | 日韩欧美成末人一区二区三区 | 黄色免费电影网址 |