Bitmain Warranty
3700 Quebec Street
Unit 100-239
Denver, Colorado 80207
USA
Tel: 844-248-6246
Anyone have an email address for them?
should get you in contact with them. It is China day time right now so you might throw a email over there now.
What are you needing? Is it a RMA or other issue?
No worries, just a dead fan. I'll likely just source something locally.