Bitmaintech Manufacture of the most popular mining machines in the world.

  • Largest not necessarily the best mining device manufacture.
  • Some of the machines (Antminers) they have built are reliable and solid as a rock.
  • Others have been delicate and problematic. Like the S9. I have experience with all of Bitmain BTC machines.
  • Poor warranty service especially in the USA. One can get repairs done, (Call and ask me how) but getting Bitmain to cover the expense is difficult.
  • Considered the standard of the industry. But in my view it is good to look at alternatives also.