Sourcing agent in China

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Mon.-Fri. 09h-17h (Chinese time)
Tel/WeChat +86-15208965341

Mon.-Fri. 09h-17h (CET)
Tel/Viber +381-642280245

Offer new and used mining machines and graphics cards

Product Description

Cryptocurrency Mining Machines

There are currently two main choices for cryptocurrency mining: whether to use ASIC machines or graphics cards. Almost every crypto miner still faces the dilemma between ASIC or GPU. Both GPUs and ASICs are the ultimate mining hardware, but the battle for mining supremacy is still on. We are not the ones who will solve this dilemma of yours, but whatever option you decide on, we are here to help you and offer you the equipment.

Since we are located in China we are able to offer you new and used mining equipment.

ASIC machines and the latest graphics cards are available to us, but they are currently more expensive than in Europe, so we offer you current ASIC models. As the control of the ban on mining and banking transactions with cryptocurrencies has been tightened in China since this year, Chinese mining companies have already started redirecting their operations abroad, ranging from the US to Kazakhstan. However, at the same time, a large number of used machines appeared on the market, which we can also offer you.

The current new model ASIC machines we can send you are:

  • Antminer S19 95T
  • Antminer S19j pro 90T
  • Antminer S19j pro 96T
  • Antminer S19j pro 100T
  • Antminer S19j pro 100T
  • Antminer S19j pro 104T
  • Antminer T19 84T
  • Antminer L7 9160M
  • Whatsminer M31S 72T 46w
  • Whatsminer M31S 74T 46w
  • Whatsminer M31+ 78T 42W
  • Whatsminer M31+ 80T 42W
  • Whatsminer M31+ 82T 42W
  • Avalon 1166 72T
  • Avalon 1166 75T
  • Avalon 1166 78T
  • Avalon 1166 81T
  • Avalon 1126 64T 54W
  • Avalon 1126 68T 50W
  • Avalon 1246 83T
  • Avalon 1246 85T
  • Avalon 1246 87T

From used models:

  • Antminer S19
  • Antminer T19 88T
  • Antminer S19Jpro 100T
  • Antminer S19Jpro 104T
  • Antminer S19PRO 110T
  • Antminer L3+ 504M
  • Antminer DR5 34T
  • Antminer T15 22/23T
  • Antminer S9 13.5-14T
  • Antminer T17 42T
  • Antminer S17 pro 53T
  • Antminer S17 pro 56T
  • Antminer S17 pro 59T
  • Innosilicon T2TZ 30T
  • Innosilicon T2TH 30T
  • Innosilicon T2TH 37T
  • Avalon 841 13T
  • Avalon 1066 50T
  • Avalon 1066 pro 55T
  • Avalon 1166 pro 75T
  • Avalon 1166 78T
  • Avalon 1166 81T
  • Avalon 1246 81T
  • Whatsminer M20S 65T 48W
  • Whatsminer M20S 68T 48W
  • Whatsminer M20S 70T 48W
  • Whatsminer M20S 62T
  • Whatsminer M21B 28T
  • Whatsminer M21S 50T 60W
  • Whatsminer M21S 52T 60W
  • Whatsminer M21S 54T 60W
  • Whatsminer M21S 56T 60W
  • Whatsminer M21S 58T 60W
  • Whatsminer M21S 48T 66W
  • Whatsminer M21S 50T 66W
  • Whatsminer M21S 52T 66W
  • Ebit E11 28T
  • Ebit E12 44T
  • Goldshell CK3 9T
  • Goldshell Ck5 12T
  • Goldshell KD5 18T
New models come with a factory warranty while we can't give any warranty for used models unless they have been tested before shipping. For used models, we go to the factory and test them in the test workshops, where we check that they work and that they are correct. We can arrange for you to have a live video call from the workshop when checking the machines. The prices of all models decrease day by day and depend solely on the value of cryptocurrencies. Since ASIC machines were created in China, here is some information about them and their origin.

A brief history of antminers

Crypto mining has come a long way from the early days of mining bitcoins with the help of a home computer, to today where there is special equipment designed just for it. Today, bitcoin mining is extremely competitive and without the right hardware it is difficult to achieve success. ASICs specialized for mining, such as Antminer currently dominate the mining sector. In particular, one company, Bitmain, is responsible for introducing these specially designed chips into the new industry standard.

Pre-Antminer Era

In the beginning there was Bitcoin. The crypto market was then in its infancy, and mining was present in narrow groups of fanatics. These early miners were smart enough to recognize the potential in blockchain technology before anyone else. Many of them have become major players in the crypto community, such as Bitmain's co-founder Micree Zhan.

Micree Zhan

Micree Zhan is the technical brain behind Bitmain's ASIC platforms. Before meeting with Jihan Wu, the company's other co-founder, Zhan was focused on securing funds for his start-up DivaIP, which specializes in hardware, for streaming TV to PC. In addition, Zhan worked on the development of microchips.

Jihan Wu

Jihan Wu is the business mind behind the Bitmain giant. He studied at Peking University and graduated in economics and psychology. Both skills proved crucial in Bitmain's rise. It was a chance meeting in 2010 on a street in Beijing that changed everything for these two innovative geniuses. Zhan initially approached Wu for advice on how to better raise funds for his project. This early partnership was less fruitful and within months the two parted ways. A year later, Wu discovered bitcoin while surfing the Internet. He was fascinated by the concept of decentralized currency, and in an interview described how bitcoin was presented to him as "the most dangerous open source project ever." Wu immediately began buying bitcoin to the point that his family became concerned about his behavior. In 2013, the market value of bitcoin jumped from $20 to $900. These early revenues would be put to good use. Wu decided that it would be more profitable to create bitcoin than to buy it. He took his earnings and started investing in bitcoin mining rigs.

Wu wasn't satisfied with his initial income, so he decided it was time to invest in a more efficient mining system. He remembered the programmer he had met a year before, Zhan. He immediately contacted Zhan and began to guide and speed him up to work on the bitcoin machine.

The first task Zhan was given was to create an ASIC that was programmed to perform SHA-256 equations. SHA-256 is the hash code of bitcoin. Wu realized that ASIC equipment would give them a big advantage in the market. In November 2013, the first Antminer S1 was presented to the world. The market was not crowded back then, and the only real competitors were ASICMiner and Butterfly Labs. Both of these companies were beating Bitmain; have been successfully producing ASIC chips since 2012.

The famous hack on Mt. Gox started a series of events that would eventually lead to Bitmain's market dominance. Mt. Gox was the world's largest bitcoin exchange in 2014. Mt. Gox has been more than a big player in the cryptocurrency world. At its peak in 2013, a whopping 70% of all bitcoin transactions worldwide passed through this exchange.

As long as... Mt. Gox did not experience the biggest Bitcoin hack to date. Hackers broke in and stole 740,000 bitcoins from users of Mt. Gox and 100,000 from the company itself, roughly the equivalent of $460 million at the time. The event quickly spiraled out of control and the company went bankrupt by the end of February 2014. The hack also led to a market crash where bitcoin lost half of its value in less than 24 hours. This event destroyed the wider interest in mining for years. It also directed Bitmain's competition to seek other better business opportunities.

This has allowed Bitmain to capture more of the market share. The release of Antminer S5 in 2015 catapulted Bitmain into the limelight. Wu openly admitted that his company settled for a 50 percent profit margin on this product. This allowed Bitmain to advance its product development on an unprecedented scale. The Antminer S5 became so popular that it eventually gave Bitmain control of 70 percent of the network's total hash power at the time. Today, the company still retains a large percentage of the market thanks to the success of its ASIC mining rigs. They also own Antpool, btc.com and ViaBTC.

Bitmain is no longer a two-man company. The crypto giant now has more than 600 people. Bitmain is located in a four-story office building in one of Beijing's high-tech parks, and they sell hundreds of thousands of ASIC machines every year. They also operate some of the world's largest mining operations, including their megafacility located in Inner Mongolia. That they are still a powerful company is shown by the headline from the finance/yahoo.com page from 09/21/2021. where Sphere 3D claims to have secured order for 60,000 BTC Antminer, which is one of the largest single orders in the history of the mining industry.

Bitmain's view of the future

Bitmain now wants to apply its ASIC technology to another emerging field of computer development, artificial intelligence. ASIC chips are the primary component in creating AI computers. Bitmain is currently developing a deep learning ASIC chip that will include the most popular AI algorithms. The technology will be available for corporate use. Google already has a similar project in the works called AlphaGo. It's hard to say where these latest developments will take the Bitmain team, especially given that they control between 30 and 51 percent of BTC's total hash power at any given time.

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Product video

A tour of the antminer repair workshop. Watch more recordings from the workshop on our YouTube channel.