Whatsminer M21s 60t 60th/s Asic BTC Miner Machine

How about the Warranty?

A.180 days warranty for new machine.If it is within the warranty period, the original factory of the miners will be responsible for it. If it is out of warranty, we will provide paid maintenance service

B.For used miners,we will send testing video with SN code before shipment to make sure every miner is in a good state. And we will provide paid maintenance service after that.

Shenzhen C.X.T.Technology Co., Ltd Specilized in mining field many years As an old member of this business,it has close business relationship with famous asic manufacturers like Bitmain,Canaan,Microbt,Inno,Goldshell and can supply the latest models in large quantity. And meanwhile,with primary sources of used miners mining rig from farms all over China,it can supply used asics mining rig machine in very good price.

Even the best products is only as good as the people behind it. It set up a factory in Dongguan China with an efficient team to provide services like repairing,maintaining,upgrading,dust cleaning and packaging.

As deep as sea. As hot as light.It is searching partner all over the world.