Shenzhen CoolDragon Technology Co., Ltd. joined the marketing of the crypto miner trade field since 2017. Cooldragon is the offical partner of Canaan，Nicehash and Ibelink. Cooldragon also build a very good relationship with Bitmain, Whatsminer, Avalon, Iceriver, Innosilicon, Goldshell and other asic miner companies. We have very good reputaion about selling the miners. 

◆Official Partners:

We are the official partners of nicehash. You can find our information on nicehash’s official website, at https://www.nicehash.com/partners as below, in hardware partners part.

We are the official partners of trustpilot. You can find our information at https://www.trustpilot.com/review/cooldragon.io.

We are the official partners of asicprices. You can find our information at https://www.asicprices.com.

We are the official partners of Kryptex. You can find information at https://pool.kryptex.com/?ref=5ca3ff5a

◆Long-term Partners：

What We Do

Our online shop makes sure any interesting individuals and companies easy to purchasing mining machines without any barriers, no matter where are you and what languages you with.
Occasionally as the sponsor we hosting some private cryptocurrencies business meeting to exchange and discussing related business prospection of the cryptocurrency.

What’s Our Aim

Cooldragon – Aim to be your best one-stop sourcing solution provider for mining business, also your eyes on China mining hardware and the newest miners always available from here.
Our online shop makes sure any interesting individuals and companies easy to purchasing mining machines without any barriers, no matter where are you and what languages you with.
Cooldragon Technologies now becoming a global leader for the good of merchants, entrepreneurs and established corporations for all cryptocurrencies business.

About our reputation

Here is the reviews for our store in alibaba below, you can see that 9 reviews are all 5 stars(only record latest 6 months review).
https://cooldragon.en.alibaba.com/company_profile/feedback.html?spm=a2700.shop_index.88.44.44e75ad6M7iNDh
This page below we can see that service, shipment speed, quality all are 5 stars.

This page below we can see that view all contains good reviews result. 113 great serivce, 59 excellent supplier, 24 fast delivery, 20 great bussiness.

This page below we can see that view there are 111 sub page for good reviews, every sub page contains 5 good reviews, means total has about 550 good reviews.

Here below is the order for 5000pcs used 841 with psu sell to USA TX in 2021. Tested for a long time, one by one and trade very good result.
Test in China below. By boat ship to USA port, and then transfer to TX by truck. (Parts of 5000pcs 841)

Welcome to buy miners from us.