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Customer service:

Koason has been striving to make high quality android screen diplay for BMW Mercedes Benz and AUDI etcs for more than ten years.

We value customer's opinions and feedbacks, if you have any questions about after-sales, please email us and we will reply you within 1 working day.

Our working time is from Monday to Surterday, Sunday not working.

Contact us:

If you have any questions or problems before or after orders, please feel free to contact us at mail:

If you are interested in being a sales agent or wholesale distributor, please feel free to contact us.
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