<b id="5yanv"><menuitem id="5yanv"></menuitem></b>
    <acronym id="5yanv"></acronym>
        <tfoot id="5yanv"><menuitem id="5yanv"></menuitem></tfoot>

        成人777在线网站|在线看黄色av网站|超碰免费91|欧美日本韩国在线|A片观看黄色免费|9 1看片亚|国产免费一级特黄A片|亚洲av资源站|成人AV粉色五月天|完美AV超碰

        成人777在线网站|在线看黄色av网站|超碰免费91|欧美日本韩国在线|A片观看黄色免费|9 1看片亚|国产免费一级特黄A片|亚洲av资源站|成人AV粉色五月天|完美AV超碰

        成人777在线网站|在线看黄色av网站|超碰免费91|欧美日本韩国在线|A片观看黄色免费|9 1看片亚|国产免费一级特黄A片|亚洲av资源站|成人AV粉色五月天|完美AV超碰

        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.


        成人777在线网站|在线看黄色av网站|超碰免费91|欧美日本韩国在线|A片观看黄色免费|9 1看片亚|国产免费一级特黄A片

        <b id="5yanv"><menuitem id="5yanv"></menuitem></b>
        <acronym id="5yanv"></acronym>
            <tfoot id="5yanv"><menuitem id="5yanv"></menuitem></tfoot>