Qingdao Holdings International Limited, an investment holding company, manufactures and sells education equipment in Hong Kong and Mainland China. It operates in four segments: Leasing of Properties, Production and Sale of Education Equipment, Loan Financing, and Consulting Service. The Leasing of Properties segment leases residential, industrial, and commercial premises. Its Production and Sale of Education Equipment segment engages in the research and development, production, and sale of digital Chinese calligraphy education equipment, along with relevant learning and tutorial systems.