1.  

    JOONG-ANG POPELINE CORPORATION

    Gyeonggi   685-2 Songgok-dong Ansan-shi Gyeonggi

  2.  

    NAM KYUNG INDUSTRY INC.

    Gyeonggi   39-3 Tang-dong Kunpo-shi Gyeonggi

  3.  

    TRI ERIVIRO SPIRIT TECHNOLOGY INC.

    Busan   1291-17 Pomchon2-dong Pusanjin-ku Busan

  4.  
  5.  

    DAE DONG ENVIRONMENTAL ENG.

    Busan   256-7 Mandok2-dong Puk-ku Busan

  6.  

    DAE SEONG LEAK DETECTINC CENTER

    Seoul   695 Chayang-dong Kwangjin-ku Seoul

  7.  

    KOREA ANTHRACITE CO. Ltd

    Incheon   764-1 Tohwa-dong Nam-ku Incheon