ADC was founded in 1935 and has been serving the communication industry for more than half a century. ADC has hundreds of patents and developed bantam socket technology, which is still used in network systems. Today's ADC has developed into the world's leading provider of network infrastructure products and services, providing high-speed Internet, data, video and audio services to individual consumers and enterprises around the world. ADC products are sold to 100 countries. In 2004, ADC successfully acquired Krone Group, the world's leading supplier of copper wire and optical fiber connection solutions and optical fiber products, and its products have been selected by many public and enterprise networks.