be Careful guys
New Scam site there
https://asic-dex.com/microbt-whatsminer-m20s

Hi there,

This is a scammer site ( Microbtwhatsminerd1.com ) and managed by a Pakistani person, living in Lahore city and his name ( Manazir Ali ).
Pretending to be one of the agents of the Chinese company ( MicroBT ) and this isn't true.
He stole nearly 30,000$ by fraud on people according to a senior official working at Standard Chartered Bank.

You can read the original company announcement
https://www.microbt.com/message/news_detail/13.html

I think that's his Twitter account
https://twitter.com/imm0eez/status/1128597491614658561