How to contact customer service ?

If you would like to receive support from customer service , you  can contact us in the following ways:

For overseas customers, you can reach out to us by the following channels:

• Create a support ticket. Our support team will assist you as soon as possible during business hours (Beijing time 9:00-18:00  Mon-Sat ):  https://support.bitmain.com/hc/en-us/requests/new
• Call our hotline during business hours at +65-3138-9024 or chat with us by visiting https://shop.bitmain.com/?lang=en and clicking the Chat icon at the lower right corner
• Send an email to : support-cs@bitmain.com

For Chinese domestic customers, you can reach out to us by the following channels:

• Call our hotline during business hours at 400-890-8855 (Monday-Saturday 9:00-18:00)
• Chat with us by visiting https://service.bitmain.com.cn/support and clicking the Chat icon at the lower right corner
• Send an email to :  support-kf@bitmain.com

For immediate troubleshooting, you can  also consult our knowledge base for a solution. 

We will respond as promptly as possible.
Thank you!