Echo International Holdings Group Limited, an investment holding company, engages in manufacturing and trading electronic products and accessories in Hong Kong, other Asian countries, Europe, Australia, North America, South America, and internationally. It operates through Trading of Electronic Products; Manufacturing and Trading of Electronic Products and Accessories; Provision of Food Catering Services; and Trading of Timepieces. The company offers design verification, sourcing and procurement, manufacturing, assembling, testing and inspection, packaging, and after-sales services for its branded customers.