whatsminer psu for m21s m31s m32 p221c power supply 

1. Air transportation to most conuntries in the world only take 7-13days.
 

2.We have a warehouse in Shenzhen for testing and cleaning.
 

3. We will provide carton packing.

 

Company Profile

Lucbit started in 2017, focusing on Bitcoin business. On the Alibaba platform, the only company that

owns an actual Bitcoin mining farm. 1. LUCBIT operates a large Bitcoin mining farm with 9,300 machines in Sichuan. 2. LUCBIT

has warehouses and cleaning test points for the export of bitcoin mining machines in Shenzhen. Welcome customers to visit our

bitcoin mines and warehouses, only speak the truth, no false!
 

1. We will test the second-hand machine twice, and the last test will send video to you. Video contains Serial number, time and background data of the machine to ensure that the machine is works well. 

2.we  have strong technical spport.

3 We support Trade assurance payment.

4. We support BITCOIN / USDT digital currency payment.

5. For high price orders, we support DEPOSITE payment.

Ship:
(1) After payment, we will arrange testing and delivery within 2-3 days, will arrived about 7-13day after send out

(2) We will take a video with the machine's unique code and date to confirm the integrity of the item before shipment. If the customer does not purchase the transportation insurance, the damage caused by the transportation will be borne by the customer.

Warranty:

About the Used miner:

(1) we will have technicians test it twice. At the last test, We will shoot a video with a unique machine identification code, and the customer will receive an identification code that matches the video.

(2) For all used machines, Second-hand machines do not have a quality protection policy. We will confirm the integrity of the items through video and customer before shipment. Once the customer receives the goods, we promise 24 hours any problems, You can send the broken parts back to China, and we will repair it for you for free (we bear the return shipping cost).

(3) Please test immediately after receiving the goods. We offer 24 hours after-sales for customers, but do not support returns.

Q:Do you offer after-sales service.
A: For used machines, we will test and clean them before delivery, and send you a video. And provide 24-hour warranty policy.
Q: ls the price of the page correct?
A: Inaccurate. because the price of the machine is floating according to the price of bitcoin. I suggest you contact us to get the
latest price.