Most Profitable Asic Miner Antminer S19 90T 100T 110T Miner Antminer 
Model Antminer S19j Pro (110Th) from Bitmain mining SHA-256 algorithm with a maximum hashrate of 110Th/s for a power consumption of 3050W.

L7                                                                                              T19

         
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Shenzhen Dovina Electronic Technology Co., Ltd. Was established in 2014,
it is a one of the largest miner distributors into offline sales.
We are a team of professionals with an experience into Blockchain Management, Offline Sales,
Cryptocurrency Mining and Graphic card.
We provide original brand with FCC, CE and RoHS certification,
Including bitmain, whatsminer, innosilicon, Avalon, aisen, cheetah, goldshell, Aladdin, MIS,
Gigabyte, Zotac, Coloful, Asus and etc.

In order to promise our customers a best shopping experience and shopping guarantee,
We have reasonable prices with superfast delivery,and we also have professional test room and Technical team.
All machine we will test one by one.When our customer have problem with the operation of the machine,
we will provide technical support to the customer in once time.Sincerity and quality is our mission to
achieve benefits for our customers.

Welcome to Dovina.You will believe your choice!

Q:The machine have warranty?
A: New machine have 180days warranty.(Since out of the factory)
Used machine without warranty,we will test before shipping,and update the test video before shipping.

Q: If i buy the used machine,Can you help me clean it?
A: used machine usually we cannot sure the conditon, depends on farm`s send the goods to us.If want to clean it, will need to pay the cleaning fee(we can clean with simple way)

Q:Which payment Method you can accept?
A:We can accept Alibaba trade assurance/BTC/USDT/ETH
(P.S:if you choose the Cryptocurrency payment,Have to be careful about our original wallet.you can check the details on our website.)

Q:How long is the product can come to us?
A:New machine,After payment,we will shipg out within 2-7 days.(Depends on factory`s shipping time)
used machine after farm send to us we will need to test one by one,if no problem will send out.if have problem will need to
repair. After ship out usually arround 7-10 days can arrived.