Tonzo Industrial Co.Ltd., established in 1997, is a professional computer accessories manufacturer, keyboard manufacturer, mouse manufacturer, and speakers manufacturer. Its main products include computer mice, keyboards, and speakers . It also developped many new products, such as, computer keyboards, standard keyboards, wireless keyboard, multimedia keyboards, optical mouse, wireless mouse, mini mouse, gift mice, computer mouse, 2.0 speakers, computer speakers, vibrating speaker, mini speakers and multimedia speakers to meet the growing needs in the world market.