Noticed in Jimmy Song's recent article that he links to Orion Miner when talking about startups set to compete with Bitmain ... almost to the end of the article :
...First, there is a lot of competition coming. There are no less than 4 startups that I know of that are entering the mining space attempting to dethrone Bitmain. There are also larger companies like Samsung, Intel and Nvidia that are looking into getting into this very lucrative industry....https://medium.com/@jimmysong/mining-centralization-scenarios-b74102adbd36Not sure if he's vetted them or what, but interesting he links to Orion and Halong as valid up an comers to compete for market share soon ....