P21D Asic Miner Parts Power Supply Whatsminer M10s M20s M21s M30s M31s PSU
Note: Please make sure about your power model. If you buy wrong model by mistake, we don't accept for return or replacement.
Why Choose Us
Reasons for choosing us:
1. Professional: Our company has professional purchasing, sales, maintenance and R&D teams, which can provide you with professional pre-sales and after-sales services.
2. Price: Our company has its own mine, and we can obtain most of the high-quality and low-price sources in the market.
3. Quality: Our company has a professional testing room and testing team. We will ensure that each mining machine sent to you can meet your requirements.
4. After-sales service: After you purchase our company's machine, you can contact our company's sales team at any time, and our company will have a professional maintenance team to answer machine-related questions for you.
5. Products: In our company, we can find any machine model you want, as long as you need it, we will serve you anytime and anywhere.
Company Profile

Packaging & Shipping
Our packaging method is to choose the original packaging or use the air column to wrap the machine, and then put the mining machine in the box and fix it with foam. Outer packaging We provide wooden pallets or wooden boxes for the boxes to ensure that the machine can reach your designated location intact. We use UPS, DHL, FedEx, EMS, TNT or freight forwarders as your requirements. After Sales Service

Our company has professional test rooms and test maintenance teams in Shenzhen, Inner Mongolia, Sichuan, Xinjiang and Yunnan, and even in the United States and Russia. We are the only professional testing organization in Shenzhen. The testing room can accommodate 400 machines at the same time, and the shipment volume is between 700 and 800. We can ensure that every mining machine sent to you is perfect, if you receive it, if there are any problems after delivery, we will provide you with after-sales service as soon as possible. FAQ
FAQ
Q1: How long can I get the ordered products?
After you pay the sample charge and send us confirmed files, the goods will be ready for delivery in 3-7 days. If the products are in stock,we will delivery it within 48 hours!
Q2: How about the payment?
1.We support Alibaba payment-----Online payment
2.Bitcoin,highly recommend ! Because of the purpose of our company was to push the pace of the World's Blockchain!
3.Western Union;T/T bank transfer;MoneyGram;Credit Card; Cash----Offline payment
Q3: What is the location of your company?
Our company is located in the Room A312-5, Zerun Center, Longgang District, Shenzhen, Guangdong, China
Q4: What's the price of needed products ?
Because of the changing of the market, the price changed per day, please feel free to ask our sales.
Q5:How about the Warranty?
180 days warranty for new machine