Customer Help

Our happiness team is always here to assist.​

Common purchase queries answered​

Orders and Shipping​

It takes usually from 1-6 days to receive your order if we have in on stock. 

Just click on Account and create account. You can shop even without account however we recommend to have your account.

Just send us email or call us or write on chat. We can arrange it even when your package is in transit

We provide full tracking info of all packages. You will receive tracking after our package is dispatched. Or you can track your order at our tracking section page.

No we do not keep information of your credit card. We use payment gateway that is operated by bank and they process transaction. We only receive message in our system “PAID”. And others.

Yes we charge VAT sale TAX based on your location. If you are VAT payer company in Europe no additional TAX will be charged to you. For local non registered tax payers there is 19% tax for electronic items. 

Yes, we ship World-Wide and mostly to all countries in the world expect IRAN, Russia and India. For Europe we ship to all countries for sure for example to Germany, France, Poland, Slovakia, Czechia, Austria, Ireland and so on. 

Yes and not. If a package is big like for Antminer s19j pro 110TH having 21kg you will receive separate package for every ASIC miner. 

If you need to swap an item​

Returns and Exchanges

You can return all items according to European legislative within 14 days after you have received the package. Few exceptions are the according to legislation like food, items of hygiene and items depending on stock market prices.

Just write us. We will replace it and compensate you as well with little gift.

The packing is very very solid and it happens rarely. But if so please contact us all parcels are insured and you will be reimbursed.

Find form on our website.

Or write email to: [email protected]

Or send mail to

Kentino s.r.o.
Cestmirova 25
14000 Prague


See return policy page.

Yes you will receive pre purchase and general customer support during 2 years after buying free. We are happy to help you and we hope you will continue shopping with us. Just contact Us.

Just write us and we will correct it.

Yes you can. You have also 14 days to return the package and get full refund.

Yes. You can pre-order and many times it is the best option to get best price and to get guarantied price on new coming items like new ASIC miners.

We are happy to assist you and feel free to contact us via Phone, WhatsApp, Skype, Chat on our web site, Email, Formular at Contact page, Personally in our show rooms.