Dongjin Semichem Co., Ltd. engages in the manufacture and sale of materials for flat panel display, semiconductors, alternative energy sources, and foaming agents. It operates through the following business divisions: Domestic Electronic Materials, Domestic Foaming Agent, Domestic Refined Oil, Overseas Electronic Materials, and Overseas Foaming Agent. The Domestic Electronic Materials business division includes photoresist, wet chemical, and blowing agents. The Domestic Foaming Agent business division refers to substances that are added to plastic and rubber used in light walking flooring, sponge leather, foam wallpaper, and sneakers. The Domestic Refined Oil business division offers recycled oil for wet chemicals. The Overseas Electronic Materials business division supplies chemicals for cleansing photosensitive layers. The Overseas Foaming Agent business division covers the overseas foaming agent trade. The company was founded in 1967 and is headquartered in Incheon, South Korea.