Ebang International Holdings Inc., through its subsidiaries, engages in the research, design, and development of application-specific integrated circuit chips and manufacture of Bitcoin mining machines in China, the United States, Hong Kong, and internationally. It also provides mining machine hosting services that enable customers to operate mining machines remotely, as well as offers routine maintenance services. In addition, the company engages in the research, development, manufacture, and sale of fiber optical telecommunication products, including PDH fiber optical multiplexers, E+E fiber optical multiplexers, 1+1 dual fiber interface back-up fiber optical multiplexers, voice fiber optical multiplexers, date video fiber optical multiplexers, fiber modems, protocol converters, optical fiber transceivers, timeslot multiplexers, PAS repeaters, and others, as well as transmission network and converged communication products. Further, it offers enterprise convergent terminal products, including gigabit passive optical networks, enterprise cloud gateway devices, industrial Internet of Things access devices, and business enterprise smart wireless access devices. The company offers Bitcoin mining machines under the Ebit brand. It serves the blockchain and telecommunications industries. The company also provides foreign exchange trading and digital currency transfer services, as well as deals in virtual currencies. It sells its blockchain products directly, as well as through its website and telecommunication products under the EBANG brand name primarily through supplier contracts. Ebang International Holdings Inc. was incorporated in 2018 and is headquartered in Hangzhou, China.