In our practice, we often encounter some customer-related questions about the ultrasonic directional speakers, and some of them have some high repetition. Most of the time these problems can be solved with a few simple operations. Below we list these more common problems and the corresponding solutions. And we will also continue to update questions and solutions according to the actual practice.
We are the manufacturer since 2015. Our Factory is in Suzhou city, Jiangsu Province. (near Shanghai Seaport)
We have big warehouse, if the item is in stock, several pieces is available, if we don’t have enough stock, please contact us for more information.
We have CE, RoHs, CCC, FCC, TELEC, ISO9001, ISO45001, ISO14001 etc.
Usually, 5 days for instock sample and 30 days for mass production, OEM products need longer lead time, it depends.
We provide OEM/ODM service and make your own brand on the products(but it has the MOQ request), please ask the saler for more information.
Of course we can, we can send you the sample in stock for test before MP.
Yes, we support 1 year warranty, The professional after-sales service team will solve quality issues for you.
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