Here’s what consumers have asked with answers from 99mining staff and previous consumers.
https://xinamining.com/3621 I dont know if they gonna pay, but they at least replied.And the fees is 0.0005 for upgrade.
There is no such thing as customer service, they just pretend.
They are not free, to withdraw you must give 0.001 bitcoin which you will loose in the end, because they dont pay.
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