DONGWON SYSTEMS CORP. is a Korea-based company mainly engaged in the construction, precision equipment, communication and packaging material businesses. It operates in five segments: construction segment engages in the construction of residential-commercial complexes, apartments, harbor, railways and others; precision equipment segment provides presenters, refrigeration equipment and others; telecommunication segment provides optical communication and wireless communication equipment; packaging material segment mainly provides flexible and plastic packaging materials, and property management segment. On January 1, 2013, it divested its packaging manufacturing, processing and selling business into a newly established wholly owned subsidiary, and merged with Daihan Eunpakgy Co Ltd which is mainly engaged in aluminum rolling business and manufacturing of related products.