Their official website is
www.fusionsilicon.comEDIT:
It seems that Hyperbit is also selling Fusion Silicon hardware.
They used to sell BW.com hardware, like the BW-L21 Litecoin miner.
www.hyperbitshop.iofusionsilicon.com seems to be down for me at the moment.
So, hyperbitshop.io is legit?
Thanks
potificate