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Research Institute (Head office)4 Namdongseo-ro 269beon-gil, Nonhyeon 2(i)-dong Namdong-gu, Incheon
TEL : 032-818-6440 ㅣ FAX : 032-818-6441
Ansan factory MASSLAM Business department25 Mongnae-ro 119beon-gil, Mongnae-dong Danwon-gu, Ansan-si, Gyeonggi-do
TEL : 031-493-3954~5 ㅣ FAX : 031-493-3957