Contact Us
Seoul office
Address : Jichang Bldg., 21, Mabang-ro 6-gil, Seocho-gu, Seoul
Headquarters/1st Treatment Plant/ Research Institute
Address : 141, Geurugogae-ro 384 beon-gil, Eunhyeon-myeon, Yangju-si, Gyeonggi-do
2nd Treatment Plant
Address : 493-5, Pyeongsin 1-ro, Daesan-eup, Seosan-si, Chungcheongnam-do