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: 91免费精品视频 | 国产目拍亚洲精品一区二区三区 | 精品国产不卡一区二区三区 | 成人精品亚洲 | aika中文字幕永久在线 | www.福利| 日本精品一二三区 | 国产成人在线精品 | 99国产精品高清一区二区二区 | 2020国产成人精品视频网站 | 成人精品一区二区不卡视频 | 国产a视频精品免费观看 | 国产情侣一区 | www免费看 | 精品一区二区三区免费观看 | 成人网18免费网站在线 | 精品在线视频观看 | 成人国产永久福利看片 | 韩国一级淫片视频免费播放 | 国产做爰全免费视频美女 | 久久一级| 久久国产片 | 日本aa级片| 国产成人午夜91精品麻豆剧场 | 日韩成人中文字幕 | 日本成年视频 | 黄色网址免费在线观看 | 国产午夜精品一区二区 | 欧美xxx午夜免费视频 | 国产精品久久久久秋霞影视 | 国产精视频 | 99精品久久 | 国产浮力| 人人爱干 | 成人中文字幕在线观看 | 国产视频第一页 | 成人国产在线观看 | 91精品国产免费 | 国产在线观看福利 | wwwsss日本| 97碰碰在线视频观看 |