1.  

    Dien Dia Consulting Service & Survey Co. Ltd

    Ho Chi Minh City   68/17 Tran Quang Khai St Tan Dinh Ward, District 1,

    Rating: Non ancora valutato

    Geophysicists
  2.  

    Geophysical Technology Joint Stock Co.

    Ha Noi   Km9 Nguyen Trai St Thanh Xuan Dist

    Rating: Non ancora valutato

    Geophysicists
  3.  

    Ha Giang Minerals Exploiting & Mechanical Co.

    Ha Giang   390 Hamlet 15, Nguyen Trai Ward,

    Rating: Non ancora valutato

    Geophysicists
  4.  

    Nghe Tinh Non-Ferrous Metals Co.

    Nghe An   Quy Hop Dist

    Rating: Non ancora valutato

    Geophysicists
  5.  

    Pyrit Co.

    Phu Tho   Giap Lai St Gia Thuy Ward, Thanh Son Dist

    Rating: Non ancora valutato

    Geophysicists
  6.  

    Cao Bang Minerals Co.

    Cao Bang   Song Bang Ward, Song Bang Dist

    Rating: Non ancora valutato

    Geophysicists
  7.  

    Geophysical Union

    Ha Noi   Thanh Xuan Ward, Thanh Xuan Dist

    Rating: Non ancora valutato

    Geophysicists

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