They appear to be a scam company and it seems you’ve been caught up in their usual modus operandi.

Have a look at these threads - I don’t know if this is any comfort to you , but at least you got your deposit back !
https://bitcointalk.org/index.php?topic=5266815.0
https://bitcointalk.org/index.php?topic=5347222.0
https://bitcointalk.org/index.php?topic=5404986.0