for Global Technologies, Seoul, Korea. Registration Date 2006/06/03 (Year/Month/Date). Some of the business description was similar to what DnC Tech uses. e.g. R&D operations in Seoul, Korea. http://goparkjm.en.ec21.com/
Then went to their website which shows Hee Kyu Cha as CEO. Not sure about the current status of their business operations but involved in set top boxes for TV. Website says they have factory in Korea.
Product List shows different types of digital TV receivers, some available in early 2008. But their History timeline stops in 2005.