For future reference, best to buy directly from bitmain.com , pangolinminer.com , whatsminer.net , innosilicon.com or blokforge.com
These are either the manufacturer or official resellers.
There are some trusted third party resellers, but not many. You really do risk a lot if you don't do your research and buy from someone reputable.
coinminingcentral.com don't have a much of a reputation on here, they run out of a virtual office in London and purportedly ship from china direct, no-one of any repute has bought from them.
They say they trade under a company called Retro Collect 1000 which is listed on companies house, it isn't listed.
Any reputable company would give you a refund if the goods haven't shipped yet.
As they are supposedly a UK company and you are buying your goods over the internet they are subject to the UK's distance selling act:
https://www.gov.uk/online-and-distance-selling-for-businessesRight to cancel
There are different rules for downloads and streaming services.
You must tell the customer they can cancel their order up to 14 days after their order is delivered. They don’t need to give a reason for cancelling.
If you don’t tell the customer about their right to cancel, they can cancel at any time in the next 12 months. If you tell them about the right to cancel during these 12 months, they have 14 days to cancel from when you told them.
