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We unswervingly follow the guideline of "supporting the continuous development of our customers", continue to provide "advanced technology, excellent quality and good service" for customers to meet the needs for development and improvement, constantly improve the competitiveness and profitability of our customers and make sure that customers’ equipment can operate reliably. We have established a technical support system covering all sites of the railway bureaus in the country and promised to reach the site where a fault occurs within 24 hours so as to ensure the timely resolution of the fault.




24 Hours Hotline for Rolling Stock Products:




24 Hours Hotline for Ground Products


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北京鼎漢技術(shù)集團(tuán)股份有限公司 | 京ICP備17047215號(hào)-1

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狠狠色综合7777久夜色撩人-欧美成人动作激情在线视频-国产高清不卡二区免费视频-久久精品国产只有精品96