Qinghuandao Boyu Technology Co., Ltd. is a young team with full of energy. The sales and repaire department locates in Shenzhen while we also have mining farms in west of China.
We have rich experiences in cryptocurrency mining business; Rich Sources in mining machines both new and used.
We have a professional team in miner testing, hashboards repairing for years.
I want to say that your products are very good. Thank you for all your suggestion, also good after sales service. -- Adela
We trust the quality of your products. It always the best. Keep this going, and we will establish a long-term trade relationship with you. -- Charlie Bingham