HD united earns Caifu medal, and becomes 2017-2018 one of the 10 most influencing brand...

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HD united development team is always in touch with the leading technologies in the world Our products have 10 core strengths...

We have gained much attention in Hongkong consumer electronics exhibit and made huge foreign contracts...

The market analyze shows positive reviews and approvals CSI has been more than 90% Our development departments will continue its efforts The result is more confidences to our partners...

Our development departments had received huge demands and then improved the current products The upgraded system will have rear passenger traffic alarm feature This add-on feature greatly increases the safety of rear passengers...