Don't use Zasttra

I ordered an item and it said shipped with a tracking number, I emailed them and they told me to contact the seller on a mobile number. I have no address or landline number for Zasttra or the supposed suppliers Allonnet, only a mobile number which is already shady. They told me that COVID delayed the order and I told them to refund. They say it takes 7 days but I suspect I will need to take this further. The item was shown as available and shipped. Don't use this site, its shady for sure. Hopefully I get my refund, let's see.