Moon Inc., an investment holding company, engages in the wholesale and retail sale of the pre-paid products in Hong Kong. It operates the Pre-paid SIM Cards and Pre-paid BTC Cards segments. It offers SIM cards and top-up vouchers for local and international voice and data services, as well as pre-paid Bitcoin cards through its self-managed retail shops, wholesale networks, and online platform. The company was formerly known as HK Asia Holdings Limited and changed its name to Moon Inc. in June 2025. Moon Inc. was incorporated in 2016 and is headquartered in Admiralty, Hong Kong. Address: Unit 4504, Tower 1, Admiralty, Hong Kong