Hi Ahova,
Welcome to SaleHoo!
You might find this post useful -
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Should you use any of the suppliers mentioned, please let us know how you got on by adding a short review on the supplier profile page.
Also, a quick search for 'electronics' may bring up a few more related posts.
And if you haven't yet, download a copy of the user manual. I'm sure you'll find it helpful for getting tips on how to work with different suppliers and how to get the most out of each of them. You'll find the download link here -
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All the best!