On May 17 at KOBA 2005 (Korea International Broadcast, Audio and Lighting Equipment Show) in Seoul, Sony's daughter company PSNC announced it is very interested in DMB and said it would like to establish a partner relationship with the Korean company. Sony's PSP terminal uses DMB's receiver applications and through the planned cooperation Sony would like to provide DMB with its own diverse services. PSNC was established in Korea as Sony's daughter company in April 2004. Its main activities are in the field of imaging devices and Solution.