Trio Industrial Electronics Group Limited, an investment holding company, provides customized engineering and contract manufacturing services for a range of industries. The company's product portfolio includes electro-mechanical products, switch-mode power supplies, smart chargers, smart vending systems, automatic testing equipment, power switchgear boards, and catering equipment control boards. It is also involved in the global sourcing and purchase of materials; manufacture and sale of electronic products and components; and provision of sales and marketing, and support services. The company's products have applications in industrial and commercial areas, such as renewable energy facilities, telecommunication equipment, commercial freight equipment, medical and health care devices, leisure and entertainment products, security and access systems, etc. It has operations in the United Kingdom, Switzerland, Ireland, Denmark, Sweden, North America, the People's Republic of China, South-east Asia, Israel, and Australia. The company was founded in 1983 and is headquartered in Hung Hom, Hong Kong. Trio Industrial Electronics Group Limited is a subsidiary of Trio Industrial Electronics Holding Limited.