ASUSTeK Computer Inc. , trading as Asus, is a Taiwanese multinational computer hardware and electronics company headquartered in Taipei, Taiwan. Its products include desktops, laptops, mobile phones, monitors, motherboards, servers, tablet PCs and video cards. The company's slogan is: "Inspiring Innovation. Persistent Perfection. " Asus is the world's fifth-largest PC vendor by 2012 unit sales.