Contact Us 

International Sales & Marketing & Customer Service:

    Submit a request (Click here to create a ticket)

Please create a Ticket directly to contact us and it will be the main way for service.

Email: info@bitmaintech.com.

Hotline: +86-400-890-8855

When the order is confirmed, email will be sent automatically from webmaster@bitmaintech.com.

The Bitmain website is the only channel for selling, payment and service. Please do not trust any other website or channels.

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Call: +86-400-890-8855
Service time: 9:00 - 21:00 In China
Contact us: Online Consultation