DONGJIN SEMICHEM CO., LTD. is a South Korea-based specialty chemical manufacturer focused on materials for semiconductors, flat panel displays, renewable-energy applications, and foaming agents. Headquartered in Incheon, the company operates internationally through more than 15 overseas manufacturing subsidiaries and offices, positioning itself as a significant upstream supplier of electronic materials and industrial chemicals.
Established in 1967 and listed on the KOSDAQ market, Dongjin Semichem evolved from a domestic chemical producer into a global materials company serving high-value manufacturing sectors. Its product portfolio includes photoresists, bottom anti-reflective coatings (BARC), CMP slurries, developers, etchants, thinners, strippers, color resists, organic insulators, and column spacers, as well as foaming-agent product lines used in plastics, rubber, automotive components, packaging, and safety products.
Within the plastic industry ecosystem, the company is relevant not as a resin producer or processor but as a supplier of chemical additives and foaming agents that support polymer processing and lightweighting applications. Its broader electronic-materials business also connects it closely to semiconductor and display manufacturing, where process chemicals and thin-film materials are essential to manufacturing performance and yield.
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CPS+ eMarketplace. (n.d.). DONGJIN SEMICHEM CO.,LTD.DONGJIN SEMICHEM CO.,LTD.. CPS+ eMarketplace. https://www.chinaplasonline.com/eMarketplace/ExhibitorInfo?CompId=1010303Link