Established in HK in 2008, Alarmvip High Tech Limited, with CE, FCC, ROHS, ISO 9001:2000 certification and over 300 workers, our operation adheres to the industry's strictest quality and environmental policies. We provide all kinds of miners, bitcoin miner /zcash miner/litecoin miner/monacoin miner with whole sale price for diffent brand,both new and used in stock .With the idea of the quality to be the first, to satisfy people's security and wonderful life, we provide the low price and good service to let all customers and distributors to have long and happy cooperation in the past years.