SO I bought 2 machines from cointerra for the January batch,I  finally received 2 machines in late February.

I am very  disappointed that only one machines mines , the other machine fail to run, some fans will not run.thus it won't mine.

I called and emailed their customer service on March 7th,I have not received a reply from them. the after sale service is terrible.


If anybody from cointerra see this message,Please contact me as soon as possible.