Dongjin Semichem Co., Ltd. is a Korea-based company engaged in the provision of electronic materials and foaming agents. Its electronic materials include photo resists, bottom anti-reflective coatings (BARCs), top coating materials (TCMs), chemical mechanical planarization (CMP) slurries, etchants, thinners, strippers and others used for semiconductors and flat panel displays. Its foaming agents include azodicarbonamide (ADCA) series, oxybis benzene sulfonyl hydrazide (OBSH) series, toluenesulfonylhydrazide (TSH) series, microsphere (MS) series, dinitroso pentamethylene tetramine (DPT) series and others, which are used for automobile bumpers, interior materials, packing materials, life vests, shoes, floor decoration materials and others. It also engages in the refined oil business. On July 31, 2014, it merged with its wholly owned subsidiary, engaged in the manufacturing and sales of compounds and chemical products.