Bitmain is a manufacturer of Bitcoin mining hardware and other related services. It is world's most power-efficient bitcoin miner. World's best ROI for any bitcoin miner.
Bitmain was founded in 2013 by Wu Jihan, Micree Zhan & Yingfei Li. The company is headquartered in Beijing and has offices in San Francisco, Tel Aviv, Hong Kong, Chengdu and Shenzhen.
Bitmain has raised a total amount of $50M in their single Venture Round on Sep 4, 2017 from Sequoia Capital & IDG Capital Partners.