About "Xtreme Miners" of mining machine

[yamch]

http://www.xtrememiners.net/#!products/cngp

They have contact information:
http://www.xtrememiners.net/#!impressum/cvj3

Impressum
Owner: Mr Berg.
Adress: Eschersheimer Landstraße 19-21
                60322 Frankfurt am Main, Germany
Finance Office: Frankfurt am Main IV
Phone: +49 152 169 418 29


Who easy to verify it?