Although NiceHash is usually regarded as a mining service, it's better to say that it's a kind of a platform for selling/buying cloud mining contracts. What is special about NiceHash is that users can opt for both selling and buying the hash power on this platform.
Based in China, Ebang Communication is a manufacturer and seller of application-specific integrated circuit (ASIC) chips for bitcoin miners. The company was successfully listed on New OTC Market in August 2015.