Bitfury:
https://www.bloomberg.com/news/articles/2018-02-12/bitcoin-chip-battle-brewing-behind-hut-8-s-canadian-listing
A new stock listing in Canada will soon give investors their first chance to buy into the booming market for computer chips driving most of the world’s bitcoin mining farms.
... Bitmain co-founder Jihan Wu didn’t respond to requests seeking comment.