HK Asia Holdings Ltd

Moon Inc. is an investment holding company that wholesales and retails pre-paid products in Hong Kong. It operates through the Pre-paid SIM Cards and Pre-paid BTC Cards segments, offering SIM cards and top-up vouchers for local and international voice and data services, as well as pre-paid Bitcoin cards, via self-managed retail shops, wholesale networks, and an online platform. The company was formerly known as HK Asia Holdings Limited and changed its name to Moon Inc. in June 2025. Incorporated in 2016, it is headquartered in Admiralty, Hong Kong.