Lingjian is a bitcoin mining antminer machine sales, mining and power supply company, and has many bitcoin computing power all over the world and own dealership for various brands of mining machines, such as BTC/ETH/LTC/ZEC/DCR/HNS/Dash miner. We have exported to more than 70 countires in the world and our main market is Russia, Dubai, Malaysia, USA, Venezuela, Canada, Mexico and other countries . See More